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318534318 = 23229610219
BaseRepresentation
bin10010111111000…
…111001010101110
3211012101012221100
4102333013022232
51123021044233
651335143530
710615332324
oct2277071256
9735335840
10318534318
11153893603
128a814ba6
1350cba05b
1430439d14
151ce70813
hex12fc72ae

318534318 has 24 divisors (see below), whose sum is σ = 713957400. Its totient is φ = 102516624.

The previous prime is 318534313. The next prime is 318534319. The reversal of 318534318 is 813435813.

It is a super-2 number, since 2×3185343182 = 202928223487450248, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318534313) 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 11 ways as a sum of consecutive naturals, for example, 304588 + ... + 305631.

It is an arithmetic number, because the mean of its divisors is an integer number (29748225).

Almost surely, 2318534318 is an apocalyptic number.

318534318 is an abundant number, since it is smaller than the sum of its proper divisors (395423082).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

318534318 is a wasteful number, since it uses less digits than its factorization.

318534318 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 610256 (or 610253 counting only the distinct ones).

The product of its digits is 34560, while the sum is 36.

The square root of 318534318 is about 17847.5297450375. The cubic root of 318534318 is about 682.9444965033.

The spelling of 318534318 in words is "three hundred eighteen million, five hundred thirty-four thousand, three hundred eighteen".

Divisors: 1 2 3 6 9 18 29 58 87 174 261 522 610219 1220438 1830657 3661314 5491971 10983942 17696351 35392702 53089053 106178106 159267159 318534318