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3257825 = 52151863
BaseRepresentation
bin1100011011010111100001
320010111220012
430123113201
51313222300
6153454305
736456014
oct14332741
96114805
103257825
11192571a
121111395
138a0b0c
1460b37b
15445435
hex31b5e1

3257825 has 12 divisors (see below), whose sum is σ = 4071168. Its totient is φ = 2586000.

The previous prime is 3257801. The next prime is 3257851. The reversal of 3257825 is 5287523.

It is not a de Polignac number, because 3257825 - 216 = 3192289 is a prime.

It is a super-2 number, since 2×32578252 = 21226847461250, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3257791 and 3257800.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3344 + ... + 4206.

It is an arithmetic number, because the mean of its divisors is an integer number (339264).

Almost surely, 23257825 is an apocalyptic number.

It is an amenable number.

3257825 is a deficient number, since it is larger than the sum of its proper divisors (813343).

3257825 is a wasteful number, since it uses less digits than its factorization.

3257825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1024 (or 1019 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 3257825 is about 1804.9445974877. The cubic root of 3257825 is about 148.2435877892.

The spelling of 3257825 in words is "three million, two hundred fifty-seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 151 755 863 3775 4315 21575 130313 651565 3257825