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314431972 = 2278607993
BaseRepresentation
bin10010101111011…
…101100111100100
3210220122210120121
4102233131213210
51120443310342
651111211324
710535425201
oct2257354744
9726583517
10314431972
11151541438
1289376b44
13501b1a2a
142da8cca8
151c910067
hex12bdd9e4

314431972 has 6 divisors (see below), whose sum is σ = 550255958. Its totient is φ = 157215984.

The previous prime is 314431861. The next prime is 314431991. The reversal of 314431972 is 279134413.

It can be written as a sum of positive squares in only one way, i.e., 282441636 + 31990336 = 16806^2 + 5656^2 .

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 as a sum of consecutive naturals, namely, 39303993 + ... + 39304000.

Almost surely, 2314431972 is an apocalyptic number.

It is an amenable number.

314431972 is a deficient number, since it is larger than the sum of its proper divisors (235823986).

314431972 is a wasteful number, since it uses less digits than its factorization.

314431972 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 78607997 (or 78607995 counting only the distinct ones).

The product of its digits is 18144, while the sum is 34.

The square root of 314431972 is about 17732.2297526284. The cubic root of 314431972 is about 679.9999798155. Note that the first 4 decimals are identical.

The spelling of 314431972 in words is "three hundred fourteen million, four hundred thirty-one thousand, nine hundred seventy-two".

Divisors: 1 2 4 78607993 157215986 314431972