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2313294980 = 225290939761
BaseRepresentation
bin1000100111100010…
…0001010010000100
312222012212120010212
42021320201102010
514214200414410
61021313534552
7111216453143
oct21170412204
95865776125
102313294980
11a87881837
12546874458
132ab34b6c9
1417d32d75a
15d814ab05
hex89e21484

2313294980 has 24 divisors (see below), whose sum is σ = 4859711640. Its totient is φ = 924976640.

The previous prime is 2313294961. The next prime is 2313294983. The reversal of 2313294980 is 894923132.

It can be written as a sum of positive squares in 4 ways, for example, as 178115716 + 2135179264 = 13346^2 + 46208^2 .

It is not an unprimeable number, because it can be changed into a prime (2313294983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38300 + ... + 78060.

It is an arithmetic number, because the mean of its divisors is an integer number (202487985).

Almost surely, 22313294980 is an apocalyptic number.

2313294980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2313294980 is an abundant number, since it is smaller than the sum of its proper divisors (2546416660).

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

2313294980 is a wasteful number, since it uses less digits than its factorization.

2313294980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42679 (or 42677 counting only the distinct ones).

The product of its (nonzero) digits is 93312, while the sum is 41.

The square root of 2313294980 is about 48096.7252523496. The cubic root of 2313294980 is about 1322.5446361031.

The spelling of 2313294980 in words is "two billion, three hundred thirteen million, two hundred ninety-four thousand, nine hundred eighty".

Divisors: 1 2 4 5 10 20 2909 5818 11636 14545 29090 39761 58180 79522 159044 198805 397610 795220 115664749 231329498 462658996 578323745 1156647490 2313294980