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45906987 = 3717128591
BaseRepresentation
bin1010111100011…
…1110000101011
310012101022112210
42233013300223
543223010422
64315540203
71065126420
oct257076053
9105338483
1045906987
1123a05665
121345a663
1396843c9
14614dd47
15406c10c
hex2bc7c2b

45906987 has 16 divisors (see below), whose sum is σ = 74068992. Its totient is φ = 24689280.

The previous prime is 45906977. The next prime is 45907009. The reversal of 45906987 is 78960954.

It is not a de Polignac number, because 45906987 - 211 = 45904939 is a prime.

It is not an unprimeable number, because it can be changed into a prime (45906937) 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, 63939 + ... + 64652.

It is an arithmetic number, because the mean of its divisors is an integer number (4629312).

Almost surely, 245906987 is an apocalyptic number.

45906987 is a deficient number, since it is larger than the sum of its proper divisors (28162005).

45906987 is a wasteful number, since it uses less digits than its factorization.

45906987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 128618.

The product of its (nonzero) digits is 544320, while the sum is 48.

The square root of 45906987 is about 6775.4695040270. The cubic root of 45906987 is about 358.0631241228.

The spelling of 45906987 in words is "forty-five million, nine hundred six thousand, nine hundred eighty-seven".

Divisors: 1 3 7 17 21 51 119 357 128591 385773 900137 2186047 2700411 6558141 15302329 45906987