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38127625 = 53305021
BaseRepresentation
bin1001000101110…
…0100000001001
32122202002021021
42101130200021
534230041000
63441112441
7642036154
oct221344011
978662237
1038127625
111a581938
1210928721
137b8c533
1450c6c9b
15353211a
hex245c809

38127625 has 8 divisors (see below), whose sum is σ = 47583432. Its totient is φ = 30502000.

The previous prime is 38127619. The next prime is 38127659. The reversal of 38127625 is 52672183.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 11943936 + 26183689 = 3456^2 + 5117^2 .

It is not a de Polignac number, because 38127625 - 29 = 38127113 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152386 + ... + 152635.

It is an arithmetic number, because the mean of its divisors is an integer number (5947929).

Almost surely, 238127625 is an apocalyptic number.

It is an amenable number.

38127625 is a deficient number, since it is larger than the sum of its proper divisors (9455807).

38127625 is an equidigital number, since it uses as much as digits as its factorization.

38127625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 305036 (or 305026 counting only the distinct ones).

The product of its digits is 20160, while the sum is 34.

The square root of 38127625 is about 6174.7570802421. The cubic root of 38127625 is about 336.5734991464.

It can be divided in two parts, 3812 and 7625, that multiplied together give a triangular number (29066500 = T7624).

The spelling of 38127625 in words is "thirty-eight million, one hundred twenty-seven thousand, six hundred twenty-five".

Divisors: 1 5 25 125 305021 1525105 7625525 38127625