Search a number
-
+
315042502 = 21109142039
BaseRepresentation
bin10010110001110…
…010101011000110
3210221210211001211
4102301302223012
51121122330002
651132242034
710543550155
oct2261625306
9727724054
10315042502
11151919105
128961031a
13503668a8
142dbab59c
151c9d0dd7
hex12c72ac6

315042502 has 8 divisors (see below), whose sum is σ = 472993200. Its totient is φ = 157378104.

The previous prime is 315042499. The next prime is 315042503. The reversal of 315042502 is 205240513.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315042503) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68802 + ... + 73237.

It is an arithmetic number, because the mean of its divisors is an integer number (59124150).

Almost surely, 2315042502 is an apocalyptic number.

315042502 is a deficient number, since it is larger than the sum of its proper divisors (157950698).

315042502 is a wasteful number, since it uses less digits than its factorization.

315042502 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143150.

The product of its (nonzero) digits is 1200, while the sum is 22.

The square root of 315042502 is about 17749.4366671171. The cubic root of 315042502 is about 680.4398120734.

The spelling of 315042502 in words is "three hundred fifteen million, forty-two thousand, five hundred two".

Divisors: 1 2 1109 2218 142039 284078 157521251 315042502