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38841925 = 528318719
BaseRepresentation
bin1001010000101…
…0111001000101
32201002101002211
42110022321011
534420420200
63504303421
7651102523
oct224127105
981071084
1038841925
111aa1a571
1211011b71
13807c6b5
145231313
153623aba
hex250ae45

38841925 has 12 divisors (see below), whose sum is σ = 48746880. Its totient is φ = 30697520.

The previous prime is 38841919. The next prime is 38841937. The reversal of 38841925 is 52914883.

It is a de Polignac number, because none of the positive numbers 2k-38841925 is a prime.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 7285 + ... + 11434.

It is an arithmetic number, because the mean of its divisors is an integer number (4062240).

Almost surely, 238841925 is an apocalyptic number.

It is an amenable number.

38841925 is a deficient number, since it is larger than the sum of its proper divisors (9904955).

38841925 is a wasteful number, since it uses less digits than its factorization.

38841925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18812 (or 18807 counting only the distinct ones).

The product of its digits is 69120, while the sum is 40.

The square root of 38841925 is about 6232.3290189142. The cubic root of 38841925 is about 338.6623480231.

The spelling of 38841925 in words is "thirty-eight million, eight hundred forty-one thousand, nine hundred twenty-five".

Divisors: 1 5 25 83 415 2075 18719 93595 467975 1553677 7768385 38841925