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318484142 = 2315136841
BaseRepresentation
bin10010111110111…
…010111010101110
3211012021200002222
4102332322322232
51123012443032
651334115342
710615033124
oct2276727256
9735250088
10318484142
11153859939
128a7abb52
1350ca0272
1430425914
151ce60a12
hex12fbaeae

318484142 has 8 divisors (see below), whose sum is σ = 493136832. Its totient is φ = 154105200.

The previous prime is 318484121. The next prime is 318484147. The reversal of 318484142 is 241484813.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318484147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2568359 + ... + 2568482.

It is an arithmetic number, because the mean of its divisors is an integer number (61642104).

Almost surely, 2318484142 is an apocalyptic number.

318484142 is a deficient number, since it is larger than the sum of its proper divisors (174652690).

318484142 is a wasteful number, since it uses less digits than its factorization.

318484142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5136874.

The product of its digits is 24576, while the sum is 35.

The square root of 318484142 is about 17846.1240049485. The cubic root of 318484142 is about 682.9086351423.

The spelling of 318484142 in words is "three hundred eighteen million, four hundred eighty-four thousand, one hundred forty-two".

Divisors: 1 2 31 62 5136841 10273682 159242071 318484142