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2315043320 = 235291995727
BaseRepresentation
bin1000100111111100…
…1100000111111000
312222100011101102012
42021333030013320
514220122341240
61021415225052
7111240354302
oct21177140770
95870141365
102315043320
11a88866347
12547378188
132ab811425
1417d666972
15d8393b65
hex89fcc1f8

2315043320 has 32 divisors (see below), whose sum is σ = 5388465600. Its totient is φ = 894085248.

The previous prime is 2315043301. The next prime is 2315043371. The reversal of 2315043320 is 233405132.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 996704 + ... + 999023.

It is an arithmetic number, because the mean of its divisors is an integer number (168389550).

Almost surely, 22315043320 is an apocalyptic number.

2315043320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2315043320 is an abundant number, since it is smaller than the sum of its proper divisors (3073422280).

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

2315043320 is a wasteful number, since it uses less digits than its factorization.

2315043320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1995767 (or 1995763 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 2315043320 is about 48114.8970694108. The cubic root of 2315043320 is about 1322.8777360659.

Adding to 2315043320 its reverse (233405132), we get a palindrome (2548448452).

The spelling of 2315043320 in words is "two billion, three hundred fifteen million, forty-three thousand, three hundred twenty".

Divisors: 1 2 4 5 8 10 20 29 40 58 116 145 232 290 580 1160 1995727 3991454 7982908 9978635 15965816 19957270 39914540 57876083 79829080 115752166 231504332 289380415 463008664 578760830 1157521660 2315043320