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315008442 = 23272500067
BaseRepresentation
bin10010110001101…
…010010110111010
3210221202002100100
4102301222112322
51121120232232
651131420230
710543345650
oct2261522672
9727662310
10315008442
111518a5561
12895b4676
1350354238
142db9cdd0
151c9c5c7c
hex12c6a5ba

315008442 has 24 divisors (see below), whose sum is σ = 780021216. Its totient is φ = 90002376.

The previous prime is 315008431. The next prime is 315008459. The reversal of 315008442 is 244800513.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1249908 + ... + 1250159.

It is an arithmetic number, because the mean of its divisors is an integer number (32500884).

Almost surely, 2315008442 is an apocalyptic number.

315008442 is an abundant number, since it is smaller than the sum of its proper divisors (465012774).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

315008442 is a wasteful number, since it uses less digits than its factorization.

315008442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500082 (or 2500079 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 27.

The square root of 315008442 is about 17748.4771741127. The cubic root of 315008442 is about 680.4152898633.

Adding to 315008442 its reverse (244800513), we get a palindrome (559808955).

The spelling of 315008442 in words is "three hundred fifteen million, eight thousand, four hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 2500067 5000134 7500201 15000402 17500469 22500603 35000938 45001206 52501407 105002814 157504221 315008442