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311814429 = 33712012339
BaseRepresentation
bin10010100101011…
…110100100011101
3210201201210222120
4102211132210131
51114311030204
650535133153
710504243653
oct2245364435
9721653876
10311814429
11150013883
12885141b9
134c7a64a4
142d5aadd3
151c5946d9
hex1295e91d

311814429 has 16 divisors (see below), whose sum is σ = 427527360. Its totient is φ = 202003200.

The previous prime is 311814401. The next prime is 311814443. The reversal of 311814429 is 924418113.

It is a happy number.

It is not a de Polignac number, because 311814429 - 29 = 311813917 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 311814429.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (311814829) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 132142 + ... + 134480.

It is an arithmetic number, because the mean of its divisors is an integer number (26720460).

Almost surely, 2311814429 is an apocalyptic number.

It is an amenable number.

311814429 is a deficient number, since it is larger than the sum of its proper divisors (115712931).

311814429 is a wasteful number, since it uses less digits than its factorization.

311814429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580.

The product of its digits is 6912, while the sum is 33.

The square root of 311814429 is about 17658.2680068007. The cubic root of 311814429 is about 678.1077938792.

The spelling of 311814429 in words is "three hundred eleven million, eight hundred fourteen thousand, four hundred twenty-nine".

Divisors: 1 3 37 111 1201 2339 3603 7017 44437 86543 133311 259629 2809139 8427417 103938143 311814429