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38990752 = 256311931
BaseRepresentation
bin1001010010111…
…1001110100000
32201100221020221
42110233032200
534440201002
63511412424
7652262443
oct224571640
981327227
1038990752
1120011369
1211084114
138102368
14526d65a
153652c37
hex252f3a0

38990752 has 24 divisors (see below), whose sum is σ = 76924512. Its totient is φ = 19454400.

The previous prime is 38990737. The next prime is 38990759. The reversal of 38990752 is 25709983.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 38990699 and 38990708.

It is not an unprimeable number, because it can be changed into a prime (38990759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19227 + ... + 21157.

It is an arithmetic number, because the mean of its divisors is an integer number (3205188).

Almost surely, 238990752 is an apocalyptic number.

38990752 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38990752 is a deficient number, since it is larger than the sum of its proper divisors (37933760).

38990752 is a wasteful number, since it uses less digits than its factorization.

38990752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2572 (or 2564 counting only the distinct ones).

The product of its (nonzero) digits is 136080, while the sum is 43.

The square root of 38990752 is about 6244.2575219156. The cubic root of 38990752 is about 339.0943371196.

The spelling of 38990752 in words is "thirty-eight million, nine hundred ninety thousand, seven hundred fifty-two".

Divisors: 1 2 4 8 16 32 631 1262 1931 2524 3862 5048 7724 10096 15448 20192 30896 61792 1218461 2436922 4873844 9747688 19495376 38990752