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913508490 = 23530450283
BaseRepresentation
bin110110011100110…
…000100010001010
32100122221001001210
4312130300202022
53332324232430
6230351353550
731431460026
oct6634604212
92318831053
10913508490
114297194a4
12215b228b6
1311734618b
1489475386
15552e92b0
hex3673088a

913508490 has 16 divisors (see below), whose sum is σ = 2192420448. Its totient is φ = 243602256.

The previous prime is 913508471. The next prime is 913508551. The reversal of 913508490 is 94805319.

It is a super-2 number, since 2×9135084902 = 1668995522604160200, 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 in 7 ways as a sum of consecutive naturals, for example, 15225112 + ... + 15225171.

It is an arithmetic number, because the mean of its divisors is an integer number (137026278).

Almost surely, 2913508490 is an apocalyptic number.

913508490 is an abundant number, since it is smaller than the sum of its proper divisors (1278911958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

913508490 is a wasteful number, since it uses less digits than its factorization.

913508490 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30450293.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 913508490 is about 30224.3029696303. The cubic root of 913508490 is about 970.2958993817.

The spelling of 913508490 in words is "nine hundred thirteen million, five hundred eight thousand, four hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 30450283 60900566 91350849 152251415 182701698 304502830 456754245 913508490