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318379077 = 321789103227
BaseRepresentation
bin10010111110100…
…001010001000101
3211012002022222200
4102332201101011
51123001112302
651331545113
710614114612
oct2276412105
9735068880
10318379077
11153797a05
128a75b199
1350c644b3
14303d9509
151ce3e81c
hex12fa1445

318379077 has 48 divisors (see below), whose sum is σ = 499374720. Its totient is φ = 194743296.

The previous prime is 318379037. The next prime is 318379079. The reversal of 318379077 is 770973813.

It is not a de Polignac number, because 318379077 - 212 = 318374981 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318379079) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 1402438 + ... + 1402664.

It is an arithmetic number, because the mean of its divisors is an integer number (10403640).

Almost surely, 2318379077 is an apocalyptic number.

It is an amenable number.

318379077 is a deficient number, since it is larger than the sum of its proper divisors (180995643).

318379077 is a wasteful number, since it uses less digits than its factorization.

318379077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 318379077 is about 17843.1801257511. The cubic root of 318379077 is about 682.8335317827.

The spelling of 318379077 in words is "three hundred eighteen million, three hundred seventy-nine thousand, seventy-seven".

Divisors: 1 3 9 17 51 89 103 153 227 267 309 681 801 927 1513 1751 2043 3859 4539 5253 9167 11577 13617 15759 20203 23381 27501 34731 60609 70143 82503 155839 181827 210429 343451 397477 467517 1030353 1192431 1402551 2080909 3091059 3577293 6242727 18728181 35375453 106126359 318379077