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38668960 = 25511127173
BaseRepresentation
bin1001001110000…
…0101010100000
32200202120211201
42103200222200
534344401320
63500450544
7646452331
oct223405240
980676751
1038668960
111a911620
1210b49a54
13801ba55
1451c8288
1535dc70a
hex24e0aa0

38668960 has 96 divisors (see below), whose sum is σ = 101025792. Its totient is φ = 13870080.

The previous prime is 38668951. The next prime is 38668963. The reversal of 38668960 is 6986683.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38668960.

It is not an unprimeable number, because it can be changed into a prime (38668963) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 223434 + ... + 223606.

It is an arithmetic number, because the mean of its divisors is an integer number (1052352).

Almost surely, 238668960 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38668960, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50512896).

38668960 is an abundant number, since it is smaller than the sum of its proper divisors (62356832).

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

38668960 is a wasteful number, since it uses less digits than its factorization.

38668960 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 326 (or 318 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 38668960 is about 6218.4371026810. The cubic root of 38668960 is about 338.1589066418.

The spelling of 38668960 in words is "thirty-eight million, six hundred sixty-eight thousand, nine hundred sixty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 127 160 173 176 220 254 346 352 440 508 635 692 865 880 1016 1270 1384 1397 1730 1760 1903 2032 2540 2768 2794 3460 3806 4064 5080 5536 5588 6920 6985 7612 9515 10160 11176 13840 13970 15224 19030 20320 21971 22352 27680 27940 30448 38060 43942 44704 55880 60896 76120 87884 109855 111760 152240 175768 219710 223520 241681 304480 351536 439420 483362 703072 878840 966724 1208405 1757680 1933448 2416810 3515360 3866896 4833620 7733792 9667240 19334480 38668960