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2315244379 = 76612757
BaseRepresentation
bin1000100111111111…
…1101001101011011
312222100112121012211
42021333331031123
514220200310004
61021423415551
7111242152420
oct21177751533
95870477184
102315244379
11a88993408
125474545b7
132ab881ab6
1417d6b9d47
15d83d3504
hex89ffd35b

2315244379 has 12 divisors (see below), whose sum is σ = 2653503312. Its totient is φ = 1978875360.

The previous prime is 2315244359. The next prime is 2315244409. The reversal of 2315244379 is 9734425132.

It is not a de Polignac number, because 2315244379 - 231 = 167760731 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2315244329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3058069 + ... + 3058825.

It is an arithmetic number, because the mean of its divisors is an integer number (221125276).

Almost surely, 22315244379 is an apocalyptic number.

2315244379 is a deficient number, since it is larger than the sum of its proper divisors (338258933).

2315244379 is an frugal number, since it uses more digits than its factorization.

2315244379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2086 (or 1425 counting only the distinct ones).

The product of its digits is 181440, while the sum is 40.

The square root of 2315244379 is about 48116.9863873456. The cubic root of 2315244379 is about 1322.9160317892.

The spelling of 2315244379 in words is "two billion, three hundred fifteen million, two hundred forty-four thousand, three hundred seventy-nine".

Divisors: 1 7 661 757 4627 5299 436921 500377 3058447 3502639 330749197 2315244379