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315045132 = 22359444979
BaseRepresentation
bin10010110001110…
…011010100001100
3210221210221200020
4102301303110030
51121122421012
651132302140
710543560633
oct2261632414
9727727606
10315045132
11151920086
1289611950
1350367b4c
142dbac51a
151c9d1a8c
hex12c7350c

315045132 has 24 divisors (see below), whose sum is σ = 747566400. Its totient is φ = 103234896.

The previous prime is 315045131. The next prime is 315045167. The reversal of 315045132 is 231540513.

It is not an unprimeable number, because it can be changed into a prime (315045131) 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 7 ways as a sum of consecutive naturals, for example, 221782 + ... + 223197.

It is an arithmetic number, because the mean of its divisors is an integer number (31148600).

Almost surely, 2315045132 is an apocalyptic number.

It is an amenable number.

315045132 is an abundant number, since it is smaller than the sum of its proper divisors (432521268).

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

315045132 is a wasteful number, since it uses less digits than its factorization.

315045132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445045 (or 445043 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 315045132 is about 17749.5107538208. The cubic root of 315045132 is about 680.4417055235.

Adding to 315045132 its reverse (231540513), we get a palindrome (546585645).

The spelling of 315045132 in words is "three hundred fifteen million, forty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 12 59 118 177 236 354 708 444979 889958 1334937 1779916 2669874 5339748 26253761 52507522 78761283 105015044 157522566 315045132