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2531064330 = 232537974203
BaseRepresentation
bin1001011011011100…
…1111101000001010
320112101122101112100
42112313033220022
520140423024310
61055053254230
7116502456204
oct22667175012
96471571470
102531064330
1110897a1103
125a7794376
133144b7a02
141a0219774
15ec314ec0
hex96dcfa0a

2531064330 has 48 divisors (see below), whose sum is σ = 6598219680. Its totient is φ = 673160544.

The previous prime is 2531064307. The next prime is 2531064337. The reversal of 2531064330 is 334601352.

It is a happy number.

2531064330 is a `hidden beast` number, since 2 + 5 + 3 + 10 + 643 + 3 + 0 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2531064294 and 2531064303.

It is not an unprimeable number, because it can be changed into a prime (2531064337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2992 + ... + 71211.

It is an arithmetic number, because the mean of its divisors is an integer number (137462910).

Almost surely, 22531064330 is an apocalyptic number.

2531064330 is an abundant number, since it is smaller than the sum of its proper divisors (4067155350).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2531064330 is a wasteful number, since it uses less digits than its factorization.

2531064330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74595 (or 74592 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 27.

The square root of 2531064330 is about 50309.6842566121. The cubic root of 2531064330 is about 1362.8071218557.

Adding to 2531064330 its reverse (334601352), we get a palindrome (2865665682).

The spelling of 2531064330 in words is "two billion, five hundred thirty-one million, sixty-four thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 379 758 1137 1895 2274 3411 3790 5685 6822 11370 17055 34110 74203 148406 222609 371015 445218 667827 742030 1113045 1335654 2226090 3339135 6678270 28122937 56245874 84368811 140614685 168737622 253106433 281229370 421844055 506212866 843688110 1265532165 2531064330