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20274088 = 232534261
BaseRepresentation
bin100110101010…
…1101110101000
31102011000211011
41031111232220
520142232323
62002313304
7334220062
oct115255650
942130734
1020274088
111049824a
126958834
13427b103
14299a732
151ba720d
hex1355ba8

20274088 has 8 divisors (see below), whose sum is σ = 38013930. Its totient is φ = 10137040.

The previous prime is 20274073. The next prime is 20274091. The reversal of 20274088 is 88047202.

It can be written as a sum of positive squares in only one way, i.e., 20268004 + 6084 = 4502^2 + 78^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×202740882 = 822077288463488, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1267123 + ... + 1267138.

Almost surely, 220274088 is an apocalyptic number.

It is an amenable number.

20274088 is a deficient number, since it is larger than the sum of its proper divisors (17739842).

20274088 is a wasteful number, since it uses less digits than its factorization.

20274088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534267 (or 2534263 counting only the distinct ones).

The product of its (nonzero) digits is 7168, while the sum is 31.

The square root of 20274088 is about 4502.6756489892. The cubic root of 20274088 is about 272.6761221513.

The spelling of 20274088 in words is "twenty million, two hundred seventy-four thousand, eighty-eight".

Divisors: 1 2 4 8 2534261 5068522 10137044 20274088