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53067831 = 3235091511
BaseRepresentation
bin1100101001110…
…0000000110111
310200212010101020
43022130000313
5102041132311
65133232223
71213032465
oct312340067
9120763336
1053067831
1127a56713
1215932673
13acc08ab
147095835
1549d3c06
hex329c037

53067831 has 16 divisors (see below), whose sum is σ = 74027520. Its totient is φ = 33751520.

The previous prime is 53067821. The next prime is 53067857. The reversal of 53067831 is 13876035.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 53067831 - 211 = 53065783 is a prime.

It is a super-2 number, since 2×530678312 = 5632389374089122, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 53067792 and 53067801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (53067821) 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, 34366 + ... + 35876.

It is an arithmetic number, because the mean of its divisors is an integer number (4626720).

Almost surely, 253067831 is an apocalyptic number.

53067831 is a deficient number, since it is larger than the sum of its proper divisors (20959689).

53067831 is a wasteful number, since it uses less digits than its factorization.

53067831 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2046.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 53067831 is about 7284.7670518693. The cubic root of 53067831 is about 375.7887540379.

The spelling of 53067831 in words is "fifty-three million, sixty-seven thousand, eight hundred thirty-one".

Divisors: 1 3 23 69 509 1511 1527 4533 11707 34753 35121 104259 769099 2307297 17689277 53067831