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315466540 = 22531508817
BaseRepresentation
bin10010110011011…
…010001100101100
3210222121100201221
4102303122030230
51121224412130
651145313124
710550264344
oct2263321454
9728540657
10315466540
11152088754
12897957a4
13504848bc
142dc7bd24
151ca6687a
hex12cda32c

315466540 has 24 divisors (see below), whose sum is σ = 683851392. Its totient is φ = 122115840.

The previous prime is 315466523. The next prime is 315466559. The reversal of 315466540 is 45664513.

It is a junction number, because it is equal to n+sod(n) for n = 315466496 and 315466505.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253789 + ... + 255028.

It is an arithmetic number, because the mean of its divisors is an integer number (28493808).

Almost surely, 2315466540 is an apocalyptic number.

It is an amenable number.

315466540 is an abundant number, since it is smaller than the sum of its proper divisors (368384852).

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

315466540 is a wasteful number, since it uses less digits than its factorization.

315466540 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 508857 (or 508855 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 315466540 is about 17761.3777618742. The cubic root of 315466540 is about 680.7449592412.

The spelling of 315466540 in words is "three hundred fifteen million, four hundred sixty-six thousand, five hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 508817 1017634 2035268 2544085 5088170 10176340 15773327 31546654 63093308 78866635 157733270 315466540