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315315073 = 2337536991
BaseRepresentation
bin10010110010110…
…101001110000001
3210222022122222001
4102302311032001
51121210040243
651142144001
710546063633
oct2262651601
9728278861
10315315073
11151a94977
1289722001
1350430988
142dc3ca53
151ca36a4d
hex12cb5381

315315073 has 16 divisors (see below), whose sum is σ = 344342016. Its totient is φ = 287876160.

The previous prime is 315315071. The next prime is 315315097. The reversal of 315315073 is 370513513.

It is a cyclic number.

It is not a de Polignac number, because 315315073 - 21 = 315315071 is a prime.

It is not an unprimeable number, because it can be changed into a prime (315315071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41608 + ... + 48598.

It is an arithmetic number, because the mean of its divisors is an integer number (21521376).

Almost surely, 2315315073 is an apocalyptic number.

It is an amenable number.

315315073 is a deficient number, since it is larger than the sum of its proper divisors (29026943).

315315073 is a wasteful number, since it uses less digits than its factorization.

315315073 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7104.

The product of its (nonzero) digits is 4725, while the sum is 28.

The square root of 315315073 is about 17757.1133070666. The cubic root of 315315073 is about 680.6359916325.

Adding to 315315073 its reverse (370513513), we get a palindrome (685828586).

The spelling of 315315073 in words is "three hundred fifteen million, three hundred fifteen thousand, seventy-three".

Divisors: 1 23 37 53 851 1219 1961 6991 45103 160793 258667 370523 5949341 8522029 13709351 315315073