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315243130 = 2583379811
BaseRepresentation
bin10010110010100…
…011101001111010
3210222012000021111
4102302203221322
51121200240010
651140430534
710545344116
oct2262435172
9728160244
10315243130
11151a45914
12896a844a
1350406cc7
142dc20746
151ca2058a
hex12ca3a7a

315243130 has 16 divisors (see below), whose sum is σ = 574275744. Its totient is φ = 124577680.

The previous prime is 315243043. The next prime is 315243133. The reversal of 315243130 is 31342513.

315243130 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (315243133) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 189076 + ... + 190735.

It is an arithmetic number, because the mean of its divisors is an integer number (35892234).

Almost surely, 2315243130 is an apocalyptic number.

315243130 is a deficient number, since it is larger than the sum of its proper divisors (259032614).

315243130 is a wasteful number, since it uses less digits than its factorization.

315243130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 379901.

The product of its (nonzero) digits is 1080, while the sum is 22.

The square root of 315243130 is about 17755.0874399424. The cubic root of 315243130 is about 680.5842225461.

Adding to 315243130 its reverse (31342513), we get a palindrome (346585643).

The spelling of 315243130 in words is "three hundred fifteen million, two hundred forty-three thousand, one hundred thirty".

Divisors: 1 2 5 10 83 166 415 830 379811 759622 1899055 3798110 31524313 63048626 157621565 315243130