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318928051 = 13232936781
BaseRepresentation
bin10011000000100…
…111010010110011
3211020010020001001
4103000213102303
51123121144201
651351422431
710621562251
oct2300472263
9736106031
10318928051
11154032402
128a984a17
13510c7330
14304dd5d1
151ceec301
hex130274b3

318928051 has 16 divisors (see below), whose sum is σ = 370762560. Its totient is φ = 271877760.

The previous prime is 318928037. The next prime is 318928079. The reversal of 318928051 is 150829813.

It is a cyclic number.

It is not a de Polignac number, because 318928051 - 219 = 318403763 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 318928051.

It is not an unprimeable number, because it can be changed into a prime (318928151) 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 15 ways as a sum of consecutive naturals, for example, 9720 + ... + 27061.

It is an arithmetic number, because the mean of its divisors is an integer number (23172660).

Almost surely, 2318928051 is an apocalyptic number.

318928051 is a deficient number, since it is larger than the sum of its proper divisors (51834509).

318928051 is a wasteful number, since it uses less digits than its factorization.

318928051 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36846.

The product of its (nonzero) digits is 17280, while the sum is 37.

The square root of 318928051 is about 17858.5568005928. The cubic root of 318928051 is about 683.2257713440.

The spelling of 318928051 in words is "three hundred eighteen million, nine hundred twenty-eight thousand, fifty-one".

Divisors: 1 13 23 29 299 377 667 8671 36781 478153 845963 1066649 10997519 13866437 24532927 318928051