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311421714 = 2361850879
BaseRepresentation
bin10010100011111…
…110101100010010
3210200222212021120
4102203332230102
51114210443324
650522503110
710501020012
oct2243765422
9720885246
10311421714
1114a87581a
1288364a96
134c699806
142d507c42
151c518179
hex128feb12

311421714 has 16 divisors (see below), whose sum is σ = 633054720. Its totient is φ = 102105360.

The previous prime is 311421703. The next prime is 311421731. The reversal of 311421714 is 417124113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425074 + ... + 425805.

It is an arithmetic number, because the mean of its divisors is an integer number (39565920).

Almost surely, 2311421714 is an apocalyptic number.

311421714 is an abundant number, since it is smaller than the sum of its proper divisors (321633006).

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

311421714 is a wasteful number, since it uses less digits than its factorization.

311421714 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850945.

The product of its digits is 672, while the sum is 24.

The square root of 311421714 is about 17647.1446415560. The cubic root of 311421714 is about 677.8229930977.

Adding to 311421714 its reverse (417124113), we get a palindrome (728545827).

The spelling of 311421714 in words is "three hundred eleven million, four hundred twenty-one thousand, seven hundred fourteen".

Divisors: 1 2 3 6 61 122 183 366 850879 1701758 2552637 5105274 51903619 103807238 155710857 311421714