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315972050 = 2526319441
BaseRepresentation
bin10010110101010…
…101100111010010
3211000120001011112
4102311111213102
51121342101200
651204213322
710554501212
oct2265254722
9730501145
10315972050
111523a3529
128999a242
1350600a14
142dd70242
151cb16535
hex12d559d2

315972050 has 12 divisors (see below), whose sum is σ = 587708106. Its totient is φ = 126388800.

The previous prime is 315972017. The next prime is 315972089. The reversal of 315972050 is 50279513.

It can be written as a sum of positive squares in 3 ways, for example, as 258984649 + 56987401 = 16093^2 + 7549^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 315971998 and 315972016.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3159671 + ... + 3159770.

Almost surely, 2315972050 is an apocalyptic number.

315972050 is a deficient number, since it is larger than the sum of its proper divisors (271736056).

315972050 is a wasteful number, since it uses less digits than its factorization.

315972050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6319453 (or 6319448 counting only the distinct ones).

The product of its (nonzero) digits is 9450, while the sum is 32.

The square root of 315972050 is about 17775.6026620759. The cubic root of 315972050 is about 681.1083783831.

The spelling of 315972050 in words is "three hundred fifteen million, nine hundred seventy-two thousand, fifty".

Divisors: 1 2 5 10 25 50 6319441 12638882 31597205 63194410 157986025 315972050