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328747027 = 7223291701
BaseRepresentation
bin10011100110000…
…100100000010011
3211220121002010211
4103212010200103
51133124401102
652342104551
711101206100
oct2346044023
9756532124
10328747027
11159629564
129211b157
135315468b
1431937aa7
151dcdb7d7
hex13984813

328747027 has 12 divisors (see below), whose sum is σ = 399048336. Its totient is φ = 269530800.

The previous prime is 328747019. The next prime is 328747123. The reversal of 328747027 is 720747823.

It is not a de Polignac number, because 328747027 - 23 = 328747019 is a prime.

It is a super-2 number, since 2×3287470272 = 216149215522677458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (328747007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 144724 + ... + 146977.

It is an arithmetic number, because the mean of its divisors is an integer number (33254028).

Almost surely, 2328747027 is an apocalyptic number.

328747027 is a deficient number, since it is larger than the sum of its proper divisors (70301309).

328747027 is a wasteful number, since it uses less digits than its factorization.

328747027 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291738 (or 291731 counting only the distinct ones).

The product of its (nonzero) digits is 131712, while the sum is 40.

The square root of 328747027 is about 18131.3823797305. The cubic root of 328747027 is about 690.1666103299.

The spelling of 328747027 in words is "three hundred twenty-eight million, seven hundred forty-seven thousand, twenty-seven".

Divisors: 1 7 23 49 161 1127 291701 2041907 6709123 14293349 46963861 328747027