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38133625 = 53305069
BaseRepresentation
bin1001000101110…
…1111101111001
32122202101111111
42101131331321
534230234000
63441200321
7642062515
oct221357571
978671444
1038133625
111a5863a2
12109300a1
137b9219a
1450c9145
153533cba
hex245df79

38133625 has 8 divisors (see below), whose sum is σ = 47590920. Its totient is φ = 30506800.

The previous prime is 38133619. The next prime is 38133629. The reversal of 38133625 is 52633183.

It can be written as a sum of positive squares in 4 ways, for example, as 89401 + 38044224 = 299^2 + 6168^2 .

It is not a de Polignac number, because 38133625 - 23 = 38133617 is a prime.

It is not an unprimeable number, because it can be changed into a prime (38133629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152410 + ... + 152659.

It is an arithmetic number, because the mean of its divisors is an integer number (5948865).

Almost surely, 238133625 is an apocalyptic number.

It is an amenable number.

38133625 is a deficient number, since it is larger than the sum of its proper divisors (9457295).

38133625 is an equidigital number, since it uses as much as digits as its factorization.

38133625 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 305084 (or 305074 counting only the distinct ones).

The product of its digits is 12960, while the sum is 31.

The square root of 38133625 is about 6175.2429102020. The cubic root of 38133625 is about 336.5911533195.

The spelling of 38133625 in words is "thirty-eight million, one hundred thirty-three thousand, six hundred twenty-five".

Divisors: 1 5 25 125 305069 1525345 7626725 38133625