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315314043 = 3117921531
BaseRepresentation
bin10010110010110…
…100111101111011
3210222022121112220
4102302310331323
51121210022133
651142135123
710546060632
oct2262647573
9728277486
10315314043
11151a94120
12897214a3
1350430375
142dc3c519
151ca365b3
hex12cb4f7b

315314043 has 24 divisors (see below), whose sum is σ = 464821056. Its totient is φ = 188557200.

The previous prime is 315313979. The next prime is 315314057. The reversal of 315314043 is 340413513.

It is a happy number.

It is not a de Polignac number, because 315314043 - 26 = 315313979 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315314243) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 205188 + ... + 206718.

It is an arithmetic number, because the mean of its divisors is an integer number (19367544).

Almost surely, 2315314043 is an apocalyptic number.

315314043 is a gapful number since it is divisible by the number (33) formed by its first and last digit.

315314043 is a deficient number, since it is larger than the sum of its proper divisors (149507013).

315314043 is a wasteful number, since it uses less digits than its factorization.

315314043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1703 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 315314043 is about 17757.0843045811. The cubic root of 315314043 is about 680.6352505158.

Adding to 315314043 its reverse (340413513), we get a palindrome (655727556).

The spelling of 315314043 in words is "three hundred fifteen million, three hundred fourteen thousand, forty-three".

Divisors: 1 3 11 33 79 237 869 1531 2607 4593 6241 16841 18723 50523 68651 120949 205953 362847 1330439 3991317 9554971 28664913 105104681 315314043