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318526142 = 21114478461
BaseRepresentation
bin10010111111000…
…101001010111110
3211012100210201112
4102333011022332
51123020314032
651335042022
710615266434
oct2277051276
9735323645
10318526142
11153888450
128a810312
1350cb640c
1430436d54
151ce6d1b2
hex12fc52be

318526142 has 8 divisors (see below), whose sum is σ = 521224632. Its totient is φ = 144784600.

The previous prime is 318526141. The next prime is 318526157. The reversal of 318526142 is 241625813.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 318526099 and 318526108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318526141) 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 3 ways as a sum of consecutive naturals, for example, 7239209 + ... + 7239252.

It is an arithmetic number, because the mean of its divisors is an integer number (65153079).

Almost surely, 2318526142 is an apocalyptic number.

318526142 is a deficient number, since it is larger than the sum of its proper divisors (202698490).

318526142 is a wasteful number, since it uses less digits than its factorization.

318526142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14478474.

The product of its digits is 11520, while the sum is 32.

The square root of 318526142 is about 17847.3006922616. The cubic root of 318526142 is about 682.9386532794.

The spelling of 318526142 in words is "three hundred eighteen million, five hundred twenty-six thousand, one hundred forty-two".

Divisors: 1 2 11 22 14478461 28956922 159263071 318526142