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8157316 = 223755117
BaseRepresentation
bin11111000111100010000100
3120100102201211
4133013202010
54042013231
6450501204
7126223156
oct37074204
916312654
108157316
114671792
122894804
1318c7c1b
141124ad6
15ab1eb1
hex7c7884

8157316 has 12 divisors (see below), whose sum is σ = 14661388. Its totient is φ = 3968352.

The previous prime is 8157313. The next prime is 8157329. The reversal of 8157316 is 6137518.

8157316 is digitally balanced in base 5, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 7672900 + 484416 = 2770^2 + 696^2 .

It is a hoax number, since the sum of its digits (31) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (8157311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27411 + ... + 27706.

Almost surely, 28157316 is an apocalyptic number.

It is an amenable number.

8157316 is a deficient number, since it is larger than the sum of its proper divisors (6504072).

8157316 is a wasteful number, since it uses less digits than its factorization.

8157316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55158 (or 55156 counting only the distinct ones).

The product of its digits is 5040, while the sum is 31.

The square root of 8157316 is about 2856.1015388113. The cubic root of 8157316 is about 201.3024661634.

The spelling of 8157316 in words is "eight million, one hundred fifty-seven thousand, three hundred sixteen".

Divisors: 1 2 4 37 74 148 55117 110234 220468 2039329 4078658 8157316