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523842337 = 37109193673
BaseRepresentation
bin11111001110010…
…011001100100001
31100111200221121001
4133032103030201
52033100423322
6123551432001
715660405064
oct3716231441
91314627531
10523842337
11249771557
12127525601
13846b23a5
144d8008db
1530ec7827
hex1f393321

523842337 has 16 divisors (see below), whose sum is σ = 546560080. Its totient is φ = 501645312.

The previous prime is 523842313. The next prime is 523842353. The reversal of 523842337 is 733248325.

It can be written as a sum of positive squares in 8 ways, for example, as 5779216 + 518063121 = 2404^2 + 22761^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-523842337 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 523842296 and 523842305.

It is not an unprimeable number, because it can be changed into a prime (523842377) 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, 778033 + ... + 778705.

It is an arithmetic number, because the mean of its divisors is an integer number (34160005).

It is a Poulet number, since it divides 2523842336-1.

Almost surely, 2523842337 is an apocalyptic number.

It is an amenable number.

523842337 is a deficient number, since it is larger than the sum of its proper divisors (22717743).

523842337 is a wasteful number, since it uses less digits than its factorization.

523842337 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1012.

The product of its digits is 120960, while the sum is 37.

The square root of 523842337 is about 22887.6022553696. The cubic root of 523842337 is about 806.1209321507.

The spelling of 523842337 in words is "five hundred twenty-three million, eight hundred forty-two thousand, three hundred thirty-seven".

Divisors: 1 37 109 193 673 4033 7141 21037 24901 73357 129889 778369 2714209 4805893 14157901 523842337