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2154265028 = 221432737591
BaseRepresentation
bin1000000001100111…
…0111100111000100
312120010122000001122
42000121313213010
513402442440103
6553433213112
7104245644026
oct20031674704
95503560048
102154265028
11a06032223
12501561198
1328440a646
14166174016
15c91d5b38
hex806779c4

2154265028 has 12 divisors (see below), whose sum is σ = 3770327232. Its totient is φ = 1077028680.

The previous prime is 2154265021. The next prime is 2154265039. The reversal of 2154265028 is 8205624512.

It is not an unprimeable number, because it can be changed into a prime (2154265021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38513 + ... + 76103.

It is an arithmetic number, because the mean of its divisors is an integer number (314193936).

Almost surely, 22154265028 is an apocalyptic number.

It is an amenable number.

2154265028 is a deficient number, since it is larger than the sum of its proper divisors (1616062204).

2154265028 is a wasteful number, since it uses less digits than its factorization.

2154265028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51922 (or 51920 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 2154265028 is about 46414.0606713095. The cubic root of 2154265028 is about 1291.5157608862.

The spelling of 2154265028 in words is "two billion, one hundred fifty-four million, two hundred sixty-five thousand, twenty-eight".

Divisors: 1 2 4 14327 28654 37591 57308 75182 150364 538566257 1077132514 2154265028