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91342512 = 2433211441
BaseRepresentation
bin1010111000111…
…00011010110000
320100212200101000
411130130122300
5141340430022
613021442000
72156253462
oct534343260
9210780330
1091342512
1147618a88
1226710300
1315c02031
14c1ba132
1580446ac
hex571c6b0

91342512 has 40 divisors (see below), whose sum is σ = 262188080. Its totient is φ = 30447360.

The previous prime is 91342469. The next prime is 91342541. The reversal of 91342512 is 21524319.

It is a Harshad number since it is a multiple of its sum of digits (27).

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, 105289 + ... + 106152.

It is an arithmetic number, because the mean of its divisors is an integer number (6554702).

Almost surely, 291342512 is an apocalyptic number.

It is an amenable number.

91342512 is an abundant number, since it is smaller than the sum of its proper divisors (170845568).

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

91342512 is a wasteful number, since it uses less digits than its factorization.

91342512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 211458 (or 211446 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 91342512 is about 9557.3276599686. The cubic root of 91342512 is about 450.3577599420.

The spelling of 91342512 in words is "ninety-one million, three hundred forty-two thousand, five hundred twelve".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 108 144 216 432 211441 422882 634323 845764 1268646 1691528 1902969 2537292 3383056 3805938 5074584 5708907 7611876 10149168 11417814 15223752 22835628 30447504 45671256 91342512