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311054042 = 21337323341
BaseRepresentation
bin10010100010100…
…100111011011010
3210200022011221002
4102202210323122
51114112212132
650510545002
710464626045
oct2242447332
9720264832
10311054042
1114a644562
1288208162
134c59b360
142d44dc5c
151c494262
hex128a4eda

311054042 has 16 divisors (see below), whose sum is σ = 516053832. Its totient is φ = 139682880.

The previous prime is 311054011. The next prime is 311054057. The reversal of 311054042 is 240450113.

It can be written as a sum of positive squares in 4 ways, for example, as 200194201 + 110859841 = 14149^2 + 10529^2 .

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, 160709 + ... + 162632.

Almost surely, 2311054042 is an apocalyptic number.

311054042 is a deficient number, since it is larger than the sum of its proper divisors (204999790).

311054042 is a wasteful number, since it uses less digits than its factorization.

311054042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 323393.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 311054042 is about 17636.7242423303. The cubic root of 311054042 is about 677.5561366501.

The spelling of 311054042 in words is "three hundred eleven million, fifty-four thousand, forty-two".

Divisors: 1 2 13 26 37 74 481 962 323341 646682 4203433 8406866 11963617 23927234 155527021 311054042