Search a number
-
+
38267040 = 2535721627
BaseRepresentation
bin1001000111111…
…0100010100000
32200000011111210
42101332202200
534244021130
63444110120
7643156500
oct221764240
980004453
1038267040
111a667659
1210995340
137c0ab26
145121a00
15355d5b0
hex247e8a0

38267040 has 144 divisors (see below), whose sum is σ = 140307552. Its totient is φ = 8741376.

The previous prime is 38267039. The next prime is 38267077. The reversal of 38267040 is 4076283.

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 = 38266989 and 38267007.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22707 + ... + 24333.

It is an arithmetic number, because the mean of its divisors is an integer number (974358).

Almost surely, 238267040 is an apocalyptic number.

38267040 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 38267040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (70153776).

38267040 is an abundant number, since it is smaller than the sum of its proper divisors (102040512).

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

38267040 is a wasteful number, since it uses less digits than its factorization.

38267040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1659 (or 1644 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 30.

The square root of 38267040 is about 6186.0358873838. The cubic root of 38267040 is about 336.9832310922.

The spelling of 38267040 in words is "thirty-eight million, two hundred sixty-seven thousand, forty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 32 35 40 42 48 49 56 60 70 80 84 96 98 105 112 120 140 147 160 168 196 210 224 240 245 280 294 336 392 420 480 490 560 588 672 735 784 840 980 1120 1176 1470 1568 1627 1680 1960 2352 2940 3254 3360 3920 4704 4881 5880 6508 7840 8135 9762 11389 11760 13016 16270 19524 22778 23520 24405 26032 32540 34167 39048 45556 48810 52064 56945 65080 68334 78096 79723 91112 97620 113890 130160 136668 156192 159446 170835 182224 195240 227780 239169 260320 273336 318892 341670 364448 390480 398615 455560 478338 546672 637784 683340 780960 797230 911120 956676 1093344 1195845 1275568 1366680 1594460 1822240 1913352 2391690 2551136 2733360 3188920 3826704 4783380 5466720 6377840 7653408 9566760 12755680 19133520 38267040