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315052120 = 2359781199
BaseRepresentation
bin10010110001110…
…101000001011000
3210221211022021001
4102301311001120
51121123131440
651132354344
710543620205
oct2261650130
9727738231
10315052120
11151925359
12896159b4
135036b096
142dbb0cac
151c9d3b9a
hex12c75058

315052120 has 32 divisors (see below), whose sum is σ = 716184000. Its totient is φ = 124720128.

The previous prime is 315052097. The next prime is 315052189. The reversal of 315052120 is 21250513.

It is a congruent number.

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, 36720 + ... + 44479.

It is an arithmetic number, because the mean of its divisors is an integer number (22380750).

Almost surely, 2315052120 is an apocalyptic number.

It is an amenable number.

315052120 is an abundant number, since it is smaller than the sum of its proper divisors (401131880).

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

315052120 is a wasteful number, since it uses less digits than its factorization.

315052120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81307 (or 81303 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 315052120 is about 17749.7076032255. The cubic root of 315052120 is about 680.4467364338.

The spelling of 315052120 in words is "three hundred fifteen million, fifty-two thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 20 40 97 194 388 485 776 970 1940 3880 81199 162398 324796 405995 649592 811990 1623980 3247960 7876303 15752606 31505212 39381515 63010424 78763030 157526060 315052120