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318708401 = 11172374101
BaseRepresentation
bin10010111111110…
…001101010110001
3211012201001201212
4102333301222301
51123042132101
651343005505
710616656004
oct2277615261
9735631655
10318708401
111539a2380
128a899895
135104b36b
143048353b
151cea71bb
hex12ff1ab1

318708401 has 16 divisors (see below), whose sum is σ = 384144768. Its totient is φ = 260832000.

The previous prime is 318708371. The next prime is 318708407. The reversal of 318708401 is 104807813.

It is not a de Polignac number, because 318708401 - 210 = 318707377 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (318708407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32750 + ... + 41351.

It is an arithmetic number, because the mean of its divisors is an integer number (24009048).

Almost surely, 2318708401 is an apocalyptic number.

It is an amenable number.

318708401 is a deficient number, since it is larger than the sum of its proper divisors (65436367).

318708401 is a wasteful number, since it uses less digits than its factorization.

318708401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74152.

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 318708401 is about 17852.4060283201. The cubic root of 318708401 is about 683.0688864235.

The spelling of 318708401 in words is "three hundred eighteen million, seven hundred eight thousand, four hundred one".

Divisors: 1 11 17 23 187 253 391 4301 74101 815111 1259717 1704323 13856887 18747553 28973491 318708401