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328908669 = 3601182423
BaseRepresentation
bin10011100110101…
…011111101111101
3211220220021212120
4103212223331331
51133200034134
652345353153
711102451255
oct2346537575
9756807776
10328908669
11159729a51
12921987b9
13531b011b
143197a965
151dd1e649
hex139abf7d

328908669 has 8 divisors (see below), whose sum is σ = 439276992. Its totient is φ = 218906400.

The previous prime is 328908661. The next prime is 328908689. The reversal of 328908669 is 966809823.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 328908669 - 23 = 328908661 is a prime.

It is a super-2 number, since 2×3289086692 = 216361825086703122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328908661) 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, 89409 + ... + 93014.

It is an arithmetic number, because the mean of its divisors is an integer number (54909624).

Almost surely, 2328908669 is an apocalyptic number.

It is an amenable number.

328908669 is a deficient number, since it is larger than the sum of its proper divisors (110368323).

328908669 is a wasteful number, since it uses less digits than its factorization.

328908669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 183027.

The product of its (nonzero) digits is 1119744, while the sum is 51.

The square root of 328908669 is about 18135.8393519572. The cubic root of 328908669 is about 690.2797080644.

The spelling of 328908669 in words is "three hundred twenty-eight million, nine hundred eight thousand, six hundred sixty-nine".

Divisors: 1 3 601 1803 182423 547269 109636223 328908669