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45057942 = 2323180749
BaseRepresentation
bin1010101111100…
…0011110010110
310010210011212200
42223320132112
543013323232
64245425330
71054662156
oct253703626
9103704780
1045057942
1123485776
121310b246
139447b07
145dac766
153e5077c
hex2af8796

45057942 has 24 divisors (see below), whose sum is σ = 100776000. Its totient is φ = 14534640.

The previous prime is 45057931. The next prime is 45057977. The reversal of 45057942 is 24975054.

45057942 is a `hidden beast` number, since 45 + 0 + 579 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 45057897 and 45057906.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 39817 + ... + 40932.

It is an arithmetic number, because the mean of its divisors is an integer number (4199000).

Almost surely, 245057942 is an apocalyptic number.

45057942 is an abundant number, since it is smaller than the sum of its proper divisors (55718058).

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

45057942 is a wasteful number, since it uses less digits than its factorization.

45057942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80788 (or 80785 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 45057942 is about 6712.5212848825. The cubic root of 45057942 is about 355.8419268340.

The spelling of 45057942 in words is "forty-five million, fifty-seven thousand, nine hundred forty-two".

Divisors: 1 2 3 6 9 18 31 62 93 186 279 558 80749 161498 242247 484494 726741 1453482 2503219 5006438 7509657 15019314 22528971 45057942