Search a number
-
+
83682240 = 2635611429
BaseRepresentation
bin1001111110011…
…10001111000000
312211110111110020
410333032033000
5132410312430
612145333440
72034200355
oct477161700
9184414406
1083682240
1143266784
1224037280
131444c425
14b18462c
15752eb10
hex4fce3c0

83682240 has 112 divisors (see below), whose sum is σ = 270235680. Its totient is φ = 21934080.

The previous prime is 83682227. The next prime is 83682259. The reversal of 83682240 is 4228638.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57846 + ... + 59274.

Almost surely, 283682240 is an apocalyptic number.

83682240 is a gapful number since it is divisible by the number (80) 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 83682240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135117840).

83682240 is an abundant number, since it is smaller than the sum of its proper divisors (186553440).

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

83682240 is a wasteful number, since it uses less digits than its factorization.

83682240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1500 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 83682240 is about 9147.7997354555. The cubic root of 83682240 is about 437.3989796690.

The spelling of 83682240 in words is "eighty-three million, six hundred eighty-two thousand, two hundred forty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 61 64 80 96 120 122 160 183 192 240 244 305 320 366 480 488 610 732 915 960 976 1220 1429 1464 1830 1952 2440 2858 2928 3660 3904 4287 4880 5716 5856 7145 7320 8574 9760 11432 11712 14290 14640 17148 19520 21435 22864 28580 29280 34296 42870 45728 57160 58560 68592 85740 87169 91456 114320 137184 171480 174338 228640 261507 274368 342960 348676 435845 457280 523014 685920 697352 871690 1046028 1307535 1371840 1394704 1743380 2092056 2615070 2789408 3486760 4184112 5230140 5578816 6973520 8368224 10460280 13947040 16736448 20920560 27894080 41841120 83682240