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2257872396 = 2231367216023
BaseRepresentation
bin1000011010010100…
…0110011000001100
312211100120210122120
42012211012120030
514111003404041
61012014012540
7106644412233
oct20645063014
95740523576
102257872396
11a59567a4a
125301a7150
1329ca15090
14175c23b1a
15d334e366
hex8694660c

2257872396 has 48 divisors (see below), whose sum is σ = 5758335744. Its totient is φ = 684357696.

The previous prime is 2257872389. The next prime is 2257872403. The reversal of 2257872396 is 6932787522.

It is an interprime number because it is at equal distance from previous prime (2257872389) and next prime (2257872403).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 97560 + ... + 118463.

It is an arithmetic number, because the mean of its divisors is an integer number (119965328).

Almost surely, 22257872396 is an apocalyptic number.

2257872396 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

2257872396 is an abundant number, since it is smaller than the sum of its proper divisors (3500463348).

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

2257872396 is a wasteful number, since it uses less digits than its factorization.

2257872396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 216110 (or 216108 counting only the distinct ones).

The product of its digits is 2540160, while the sum is 51.

The square root of 2257872396 is about 47517.0747837028. The cubic root of 2257872396 is about 1311.8971784816.

The spelling of 2257872396 in words is "two billion, two hundred fifty-seven million, eight hundred seventy-two thousand, three hundred ninety-six".

Divisors: 1 2 3 4 6 12 13 26 39 52 67 78 134 156 201 268 402 804 871 1742 2613 3484 5226 10452 216023 432046 648069 864092 1296138 2592276 2808299 5616598 8424897 11233196 14473541 16849794 28947082 33699588 43420623 57894164 86841246 173682492 188156033 376312066 564468099 752624132 1128936198 2257872396