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314320442 = 2157160221
BaseRepresentation
bin10010101111000…
…010011000111010
3210220110010120212
4102233002120322
51120431223232
651104551122
710534452062
oct2257023072
9726403525
10314320442
11151475667
12893224a2
1350173037
142da603a2
151c8dbeb2
hex12bc263a

314320442 has 4 divisors (see below), whose sum is σ = 471480666. Its totient is φ = 157160220.

The previous prime is 314320423. The next prime is 314320481. The reversal of 314320442 is 244023413.

314320442 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 244023413 = 317871723.

It can be written as a sum of positive squares in only one way, i.e., 257634601 + 56685841 = 16051^2 + 7529^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78580109 + ... + 78580112.

Almost surely, 2314320442 is an apocalyptic number.

314320442 is a deficient number, since it is larger than the sum of its proper divisors (157160224).

314320442 is a wasteful number, since it uses less digits than its factorization.

314320442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 157160223.

The product of its (nonzero) digits is 2304, while the sum is 23.

The square root of 314320442 is about 17729.0846351412. The cubic root of 314320442 is about 679.9195709372.

Adding to 314320442 its reverse (244023413), we get a palindrome (558343855).

The spelling of 314320442 in words is "three hundred fourteen million, three hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 157160221 314320442