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311420204 = 2277855051
BaseRepresentation
bin10010100011111…
…110010100101100
3210200222210012122
4102203332110230
51114210421304
650522452112
710501012424
oct2243762454
9720883178
10311420204
1114a874677
1288364038
134c698c14
142d507484
151c5179be
hex128fe52c

311420204 has 6 divisors (see below), whose sum is σ = 544985364. Its totient is φ = 155710100.

The previous prime is 311420173. The next prime is 311420227. The reversal of 311420204 is 402024113.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38927522 + ... + 38927529.

It is an arithmetic number, because the mean of its divisors is an integer number (90830894).

Almost surely, 2311420204 is an apocalyptic number.

It is an amenable number.

311420204 is a deficient number, since it is larger than the sum of its proper divisors (233565160).

311420204 is a wasteful number, since it uses less digits than its factorization.

311420204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 77855055 (or 77855053 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 311420204 is about 17647.1018583789. The cubic root of 311420204 is about 677.8218975689.

Adding to 311420204 its reverse (402024113), we get a palindrome (713444317).

The spelling of 311420204 in words is "three hundred eleven million, four hundred twenty thousand, two hundred four".

Divisors: 1 2 4 77855051 155710102 311420204