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91242342 = 2336725219
BaseRepresentation
bin1010111000000…
…11111101100110
320100200120222000
411130003331212
5141324223332
613015350130
72155355442
oct534037546
9210616860
1091242342
114755a7a4
1226682346
1315b98569
14c191822
158024b7c
hex5703f66

91242342 has 32 divisors (see below), whose sum is σ = 205795200. Its totient is φ = 29958984.

The previous prime is 91242341. The next prime is 91242353. The reversal of 91242342 is 24324219.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (91242341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8992 + ... + 16227.

It is an arithmetic number, because the mean of its divisors is an integer number (6431100).

Almost surely, 291242342 is an apocalyptic number.

91242342 is an abundant number, since it is smaller than the sum of its proper divisors (114552858).

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

91242342 is a wasteful number, since it uses less digits than its factorization.

91242342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25297 (or 25291 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 91242342 is about 9552.0857408212. The cubic root of 91242342 is about 450.1930727058.

The spelling of 91242342 in words is "ninety-one million, two hundred forty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 9 18 27 54 67 134 201 402 603 1206 1809 3618 25219 50438 75657 151314 226971 453942 680913 1361826 1689673 3379346 5069019 10138038 15207057 30414114 45621171 91242342