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315135234 = 23225516863
BaseRepresentation
bin10010110010001…
…001010100000010
3210221222112021100
4102302021110002
51121133311414
651134235230
710544414421
oct2262112402
9727875240
10315135234
11151981847
1289655b16
1350399b6b
142dbd32b8
151c9ed609
hex12c89502

315135234 has 24 divisors (see below), whose sum is σ = 683160192. Its totient is φ = 104988600.

The previous prime is 315135229. The next prime is 315135263. The reversal of 315135234 is 432531513.

It is a junction number, because it is equal to n+sod(n) for n = 315135198 and 315135207.

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, 42487 + ... + 49349.

It is an arithmetic number, because the mean of its divisors is an integer number (28465008).

Almost surely, 2315135234 is an apocalyptic number.

315135234 is an abundant number, since it is smaller than the sum of its proper divisors (368024958).

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

315135234 is a wasteful number, since it uses less digits than its factorization.

315135234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422 (or 9419 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 315135234 is about 17752.0487268371. The cubic root of 315135234 is about 680.5065674628.

Adding to 315135234 its reverse (432531513), we get a palindrome (747666747).

The spelling of 315135234 in words is "three hundred fifteen million, one hundred thirty-five thousand, two hundred thirty-four".

Divisors: 1 2 3 6 9 18 2551 5102 6863 7653 13726 15306 20589 22959 41178 45918 61767 123534 17507513 35015026 52522539 105045078 157567617 315135234