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315788045 = 52353197263
BaseRepresentation
bin10010110100101…
…000101100001101
3211000012200202112
4102310220230031
51121320204140
651200233405
710553103566
oct2264505415
9730180675
10315788045
11152288261
128990b865
1350568041
142dd2316d
151cacbc65
hex12d28b0d

315788045 has 32 divisors (see below), whose sum is σ = 406467072. Its totient is φ = 234986752.

The previous prime is 315788029. The next prime is 315788051. The reversal of 315788045 is 540887513.

It is a cyclic number.

It is not a de Polignac number, because 315788045 - 24 = 315788029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 315787993 and 315788011.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1200584 + ... + 1200846.

It is an arithmetic number, because the mean of its divisors is an integer number (12702096).

Almost surely, 2315788045 is an apocalyptic number.

It is an amenable number.

315788045 is a deficient number, since it is larger than the sum of its proper divisors (90679027).

315788045 is a wasteful number, since it uses less digits than its factorization.

315788045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 541.

The product of its (nonzero) digits is 134400, while the sum is 41.

The square root of 315788045 is about 17770.4261344516. The cubic root of 315788045 is about 680.9761391729.

The spelling of 315788045 in words is "three hundred fifteen million, seven hundred eighty-eight thousand, forty-five".

Divisors: 1 5 23 53 115 197 263 265 985 1219 1315 4531 6049 6095 10441 13939 22655 30245 51811 52205 69695 240143 259055 320597 1191653 1200715 1602985 2745983 5958265 13729915 63157609 315788045