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38125642 = 289214189
BaseRepresentation
bin1001000101110…
…0000001001010
32122201222112211
42101130001022
534230010032
63441055334
7642030322
oct221340112
978658484
1038125642
111a5803a5
121092754a
137b8b669
1450c6282
153531747
hex245c04a

38125642 has 8 divisors (see below), whose sum is σ = 57831300. Its totient is φ = 18848544.

The previous prime is 38125631. The next prime is 38125643. The reversal of 38125642 is 24652183.

It can be written as a sum of positive squares in 2 ways, for example, as 37564641 + 561001 = 6129^2 + 749^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (38125643) 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, 106917 + ... + 107272.

Almost surely, 238125642 is an apocalyptic number.

38125642 is a deficient number, since it is larger than the sum of its proper divisors (19705658).

38125642 is a wasteful number, since it uses less digits than its factorization.

38125642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214280.

The product of its digits is 11520, while the sum is 31.

The square root of 38125642 is about 6174.5965050358. The cubic root of 38125642 is about 336.5676640350.

The spelling of 38125642 in words is "thirty-eight million, one hundred twenty-five thousand, six hundred forty-two".

Divisors: 1 2 89 178 214189 428378 19062821 38125642