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2315423772 = 223321439109
BaseRepresentation
bin1000101000000010…
…1001000000011100
312222100212201022000
42022000221000130
514220222030042
61021431322300
7111243530424
oct21200510034
95870781260
102315423772
11a88aa6172
12547520390
132ab91564c
1417d725484
15d841b74c
hex8a02901c

2315423772 has 24 divisors (see below), whose sum is σ = 6002950800. Its totient is φ = 771807888.

The previous prime is 2315423743. The next prime is 2315423797. The reversal of 2315423772 is 2773245132.

2315423772 is a `hidden beast` number, since 231 + 54 + 2 + 377 + 2 = 666.

It is a super-2 number, since 2×23154237722 = 10722374487885415968, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10719447 + ... + 10719662.

It is an arithmetic number, because the mean of its divisors is an integer number (250122950).

Almost surely, 22315423772 is an apocalyptic number.

It is an amenable number.

2315423772 is an abundant number, since it is smaller than the sum of its proper divisors (3687527028).

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

2315423772 is a wasteful number, since it uses less digits than its factorization.

2315423772 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21439122 (or 21439114 counting only the distinct ones).

The product of its digits is 70560, while the sum is 36.

The square root of 2315423772 is about 48118.8504850230. The cubic root of 2315423772 is about 1322.9501989162.

The spelling of 2315423772 in words is "two billion, three hundred fifteen million, four hundred twenty-three thousand, seven hundred seventy-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 21439109 42878218 64317327 85756436 128634654 192951981 257269308 385903962 578855943 771807924 1157711886 2315423772