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318677942 = 2112792211
BaseRepresentation
bin10010111111101…
…010001110110110
3211012122111221202
4102333222032312
51123040143232
651342212502
710616501132
oct2277521666
9735574852
10318677942
11153981500
128a884132
135103a53b
14304763c2
151ce9d162
hex12fea3b6

318677942 has 36 divisors (see below), whose sum is σ = 534680748. Its totient is φ = 142342200.

The previous prime is 318677941. The next prime is 318677977. The reversal of 318677942 is 249776813.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (318677941) by changing a digit.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1510217 + ... + 1510427.

It is an arithmetic number, because the mean of its divisors is an integer number (14852243).

Almost surely, 2318677942 is an apocalyptic number.

318677942 is a deficient number, since it is larger than the sum of its proper divisors (216002806).

318677942 is a wasteful number, since it uses less digits than its factorization.

318677942 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 393 (or 303 counting only the distinct ones).

The product of its digits is 508032, while the sum is 47.

The square root of 318677942 is about 17851.5529296473. The cubic root of 318677942 is about 683.0471254052.

The spelling of 318677942 in words is "three hundred eighteen million, six hundred seventy-seven thousand, nine hundred forty-two".

Divisors: 1 2 11 22 79 121 158 211 242 422 869 1738 2321 4642 6241 9559 12482 16669 19118 25531 33338 51062 68651 137302 183359 366718 755161 1316851 1510322 2016949 2633702 4033898 14485361 28970722 159338971 318677942