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328872788 = 2282218197
BaseRepresentation
bin10011100110100…
…011001101010100
3211220211110122122
4103212203031110
51133142412123
652344515112
711102241536
oct2346431524
9756743578
10328872788
11159704aa2
129217ba98
13531999aa
143196b856
151dd13bc8
hex139a3354

328872788 has 6 divisors (see below), whose sum is σ = 575527386. Its totient is φ = 164436392.

The previous prime is 328872787. The next prime is 328872793. The reversal of 328872788 is 887278823.

It can be written as a sum of positive squares in only one way, i.e., 202265284 + 126607504 = 14222^2 + 11252^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328872787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41109095 + ... + 41109102.

It is an arithmetic number, because the mean of its divisors is an integer number (95921231).

Almost surely, 2328872788 is an apocalyptic number.

It is an amenable number.

328872788 is a deficient number, since it is larger than the sum of its proper divisors (246654598).

328872788 is a wasteful number, since it uses less digits than its factorization.

328872788 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82218201 (or 82218199 counting only the distinct ones).

The product of its digits is 2408448, while the sum is 53.

The square root of 328872788 is about 18134.8500958789. The cubic root of 328872788 is about 690.2546060333.

The spelling of 328872788 in words is "three hundred twenty-eight million, eight hundred seventy-two thousand, seven hundred eighty-eight".

Divisors: 1 2 4 82218197 164436394 328872788