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315140132 = 22334723539
BaseRepresentation
bin10010110010001…
…010100000100100
3210221222202222202
4102302022200210
51121133441012
651134314032
710544434616
oct2262124044
9727882882
10315140132
1115198549a
1289658918
135039c168
142dbd4db6
151c9eecc2
hex12c8a824

315140132 has 12 divisors (see below), whose sum is σ = 551683440. Its totient is φ = 157516296.

The previous prime is 315140117. The next prime is 315140149. The reversal of 315140132 is 231041513.

It is a super-4 number, since 4×3151401324 (a number of 35 digits) contains 4444 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1619 + ... + 25157.

It is an arithmetic number, because the mean of its divisors is an integer number (45973620).

Almost surely, 2315140132 is an apocalyptic number.

It is an amenable number.

315140132 is a deficient number, since it is larger than the sum of its proper divisors (236543308).

315140132 is a wasteful number, since it uses less digits than its factorization.

315140132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26890 (or 26888 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 315140132 is about 17752.1866822090. The cubic root of 315140132 is about 680.5100930433.

Adding to 315140132 its reverse (231041513), we get a palindrome (546181645).

The spelling of 315140132 in words is "three hundred fifteen million, one hundred forty thousand, one hundred thirty-two".

Divisors: 1 2 4 3347 6694 13388 23539 47078 94156 78785033 157570066 315140132