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38975712 = 253405997
BaseRepresentation
bin1001010010101…
…1100011100000
32201100011121220
42110223203200
534434210322
63511215040
7652200546
oct224534340
981304556
1038975712
1120001036
1211077480
1380c8569
145267d96
15364d55c
hex252b8e0

38975712 has 24 divisors (see below), whose sum is σ = 102311496. Its totient is φ = 12991872.

The previous prime is 38975701. The next prime is 38975719. The reversal of 38975712 is 21757983.

It is a tau number, because it is divible by the number of its divisors (24).

It is a super-2 number, since 2×389757122 = 3038212251813888, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38975719) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 202903 + ... + 203094.

It is an arithmetic number, because the mean of its divisors is an integer number (4262979).

Almost surely, 238975712 is an apocalyptic number.

38975712 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38975712 is an abundant number, since it is smaller than the sum of its proper divisors (63335784).

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

38975712 is a wasteful number, since it uses less digits than its factorization.

38975712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406010 (or 406002 counting only the distinct ones).

The product of its digits is 105840, while the sum is 42.

The square root of 38975712 is about 6243.0530992456. The cubic root of 38975712 is about 339.0507316110.

The spelling of 38975712 in words is "thirty-eight million, nine hundred seventy-five thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 405997 811994 1217991 1623988 2435982 3247976 4871964 6495952 9743928 12991904 19487856 38975712