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328007825 = 5231741389
BaseRepresentation
bin10011100011010…
…000000010010001
3211212012112010222
4103203100002101
51132432222300
652314202425
711062010015
oct2343200221
9755175128
10328007825
11159174152
1291a23415
1352c56092
14317c4545
151dbe2785
hex138d0091

328007825 has 12 divisors (see below), whose sum is σ = 408022620. Its totient is φ = 261572160.

The previous prime is 328007791. The next prime is 328007833. The reversal of 328007825 is 528700823.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 30824704 + 297183121 = 5552^2 + 17239^2 .

It is not a de Polignac number, because 328007825 - 210 = 328006801 is a prime.

It is a super-2 number, since 2×3280078252 = 215178266522461250, which contains 22 as substring.

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, 12770 + ... + 28619.

It is an arithmetic number, because the mean of its divisors is an integer number (34001885).

Almost surely, 2328007825 is an apocalyptic number.

It is an amenable number.

328007825 is a deficient number, since it is larger than the sum of its proper divisors (80014795).

328007825 is a wasteful number, since it uses less digits than its factorization.

328007825 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41716 (or 41711 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 35.

The square root of 328007825 is about 18110.9863066593. The cubic root of 328007825 is about 689.6489322402.

The spelling of 328007825 in words is "three hundred twenty-eight million, seven thousand, eight hundred twenty-five".

Divisors: 1 5 25 317 1585 7925 41389 206945 1034725 13120313 65601565 328007825