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328726825 = 5271878439
BaseRepresentation
bin10011100101111…
…111100100101001
3211220120001102121
4103211333210221
51133123224300
652341431241
711101063150
oct2345774451
9756501377
10328726825
11159615369
129210b521
135314841b
1431930597
151dcd581a
hex1397f929

328726825 has 12 divisors (see below), whose sum is σ = 465853120. Its totient is φ = 225412560.

The previous prime is 328726813. The next prime is 328726837. The reversal of 328726825 is 528627823.

It is an interprime number because it is at equal distance from previous prime (328726813) and next prime (328726837).

It is not a de Polignac number, because 328726825 - 25 = 328726793 is a prime.

It is a super-2 number, since 2×3287268252 = 216122650949161250, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 939045 + ... + 939394.

Almost surely, 2328726825 is an apocalyptic number.

328726825 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

328726825 is a deficient number, since it is larger than the sum of its proper divisors (137126295).

328726825 is a wasteful number, since it uses less digits than its factorization.

328726825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1878456 (or 1878451 counting only the distinct ones).

The product of its digits is 322560, while the sum is 43.

The square root of 328726825 is about 18130.8252707923. The cubic root of 328726825 is about 690.1524727811.

The spelling of 328726825 in words is "three hundred twenty-eight million, seven hundred twenty-six thousand, eight hundred twenty-five".

Divisors: 1 5 7 25 35 175 1878439 9392195 13149073 46960975 65745365 328726825