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328628830 = 25233146091
BaseRepresentation
bin10011100101100…
…111101001011110
3211220101002000011
4103211213221132
51133112110310
652335353434
711100204355
oct2345475136
9756332004
10328628830
11159558782
129208287a
135311293a
143190699c
151dcb678a
hex13967a5e

328628830 has 32 divisors (see below), whose sum is σ = 637175808. Its totient is φ = 121677600.

The previous prime is 328628821. The next prime is 328628831. The reversal of 328628830 is 38826823.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (328628831) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 15916 + ... + 30175.

It is an arithmetic number, because the mean of its divisors is an integer number (19911744).

Almost surely, 2328628830 is an apocalyptic number.

328628830 is a deficient number, since it is larger than the sum of its proper divisors (308546978).

328628830 is a wasteful number, since it uses less digits than its factorization.

328628830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46152.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 328628830 is about 18128.1226275641. The cubic root of 328628830 is about 690.0838867415.

The spelling of 328628830 in words is "three hundred twenty-eight million, six hundred twenty-eight thousand, eight hundred thirty".

Divisors: 1 2 5 10 23 31 46 62 115 155 230 310 713 1426 3565 7130 46091 92182 230455 460910 1060093 1428821 2120186 2857642 5300465 7144105 10600930 14288210 32862883 65725766 164314415 328628830