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45909054 = 23219241557
BaseRepresentation
bin1010111100100…
…0010000111110
310012101102101100
42233020100332
543223042204
64315553530
71065135432
oct257102076
9105342340
1045909054
1123a07174
121345b8a6
139685329
1461509c2
15406ca39
hex2bc843e

45909054 has 48 divisors (see below), whose sum is σ = 105328080. Its totient is φ = 14411520.

The previous prime is 45909029. The next prime is 45909067. The reversal of 45909054 is 45090954.

45909054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

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 23 ways as a sum of consecutive naturals, for example, 82144 + ... + 82700.

It is an arithmetic number, because the mean of its divisors is an integer number (2194335).

Almost surely, 245909054 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 45909054, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (52664040).

45909054 is an abundant number, since it is smaller than the sum of its proper divisors (59419026).

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

45909054 is a wasteful number, since it uses less digits than its factorization.

45909054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 825 (or 822 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 45909054 is about 6775.6220378649. The cubic root of 45909054 is about 358.0684980714.

The spelling of 45909054 in words is "forty-five million, nine hundred nine thousand, fifty-four".

Divisors: 1 2 3 6 9 18 19 38 57 114 171 241 342 482 557 723 1114 1446 1671 2169 3342 4338 4579 5013 9158 10026 10583 13737 21166 27474 31749 41211 63498 82422 95247 134237 190494 268474 402711 805422 1208133 2416266 2550503 5101006 7651509 15303018 22954527 45909054