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52498791 = 3210356633
BaseRepresentation
bin1100100001000…
…1000101100111
310122210012210200
43020101011213
5101414430131
65113121543
71205142462
oct310210547
9118705720
1052498791
11276a8134
12156b92b3
13ab51897
146d882d9
1549202e6
hex3211167

52498791 has 12 divisors (see below), whose sum is σ = 76569168. Its totient is φ = 34658784.

The previous prime is 52498781. The next prime is 52498793. The reversal of 52498791 is 19789425.

It is not a de Polignac number, because 52498791 - 218 = 52236647 is a prime.

It is a super-2 number, since 2×524987912 = 5512246112923362, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (52498793) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27390 + ... + 29243.

It is an arithmetic number, because the mean of its divisors is an integer number (6380764).

Almost surely, 252498791 is an apocalyptic number.

52498791 is a deficient number, since it is larger than the sum of its proper divisors (24070377).

52498791 is a wasteful number, since it uses less digits than its factorization.

52498791 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56742 (or 56739 counting only the distinct ones).

The product of its digits is 181440, while the sum is 45.

The square root of 52498791 is about 7245.6049436883. The cubic root of 52498791 is about 374.4407450383.

The spelling of 52498791 in words is "fifty-two million, four hundred ninety-eight thousand, seven hundred ninety-one".

Divisors: 1 3 9 103 309 927 56633 169899 509697 5833199 17499597 52498791