Search a number
-
+
382272240 = 243571391637
BaseRepresentation
bin10110110010010…
…000001011110000
3222122022102221010
4112302100023300
51240330202430
6101533230520
712321155220
oct2662201360
9878272833
10382272240
11186867879
12a8032440
13612754bc
1438aac080
1523860cb0
hex16c902f0

382272240 has 160 divisors (see below), whose sum is σ = 1364912640. Its totient is φ = 86694912.

The previous prime is 382272179. The next prime is 382272349. The reversal of 382272240 is 42272283.

It is a super-2 number, since 2×3822722402 = 292264130949235200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 382272198 and 382272207.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 232702 + ... + 234338.

It is an arithmetic number, because the mean of its divisors is an integer number (8530704).

Almost surely, 2382272240 is an apocalyptic number.

382272240 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 382272240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (682456320).

382272240 is an abundant number, since it is smaller than the sum of its proper divisors (982640400).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

382272240 is a wasteful number, since it uses less digits than its factorization.

382272240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1799 (or 1793 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 30.

The square root of 382272240 is about 19551.7835503567. The cubic root of 382272240 is about 725.7564771505.

The spelling of 382272240 in words is "three hundred eighty-two million, two hundred seventy-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 139 140 168 210 240 278 280 336 417 420 556 560 695 834 840 973 1112 1390 1637 1668 1680 1946 2085 2224 2780 2919 3274 3336 3892 4170 4865 4911 5560 5838 6548 6672 7784 8185 8340 9730 9822 11120 11459 11676 13096 14595 15568 16370 16680 19460 19644 22918 23352 24555 26192 29190 32740 33360 34377 38920 39288 45836 46704 49110 57295 58380 65480 68754 77840 78576 91672 98220 114590 116760 130960 137508 171885 183344 196440 227543 229180 233520 275016 343770 392880 455086 458360 550032 682629 687540 910172 916720 1137715 1365258 1375080 1592801 1820344 2275430 2730516 2750160 3185602 3413145 3640688 4550860 4778403 5461032 6371204 6826290 7964005 9101720 9556806 10922064 12742408 13652580 15928010 18203440 19113612 23892015 25484816 27305160 31856020 38227224 47784030 54610320 63712040 76454448 95568060 127424080 191136120 382272240