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5312040461 = 721329287557
BaseRepresentation
bin1001111001001111…
…10100111000001101
3111201012112121121022
410330213310320031
541334340243321
62235035243525
7245431412300
oct47447647015
914635477538
105312040461
112286565692
121042ba95a5
136686b3c10
143856cab37
15211542dab
hex13c9f4e0d

5312040461 has 24 divisors (see below), whose sum is σ = 6884138520. Its totient is φ = 4057990272.

The previous prime is 5312040443. The next prime is 5312040469. The reversal of 5312040461 is 1640402135.

It can be written as a sum of positive squares in 4 ways, for example, as 1269496900 + 4042543561 = 35630^2 + 63581^2 .

It is not a de Polignac number, because 5312040461 - 214 = 5312024077 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5312040461.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5312040469) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125306 + ... + 162251.

It is an arithmetic number, because the mean of its divisors is an integer number (286839105).

Almost surely, 25312040461 is an apocalyptic number.

It is an amenable number.

5312040461 is a deficient number, since it is larger than the sum of its proper divisors (1572098059).

5312040461 is a wasteful number, since it uses less digits than its factorization.

5312040461 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 287613 (or 287606 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 5312040461 is about 72883.7462058585. The cubic root of 5312040461 is about 1744.8326986345.

Adding to 5312040461 its reverse (1640402135), we get a palindrome (6952442596).

The spelling of 5312040461 in words is "five billion, three hundred twelve million, forty thousand, four hundred sixty-one".

Divisors: 1 7 13 29 49 91 203 377 637 1421 2639 18473 287557 2012899 3738241 8339153 14090293 26167687 58374071 108408989 183173809 408618497 758862923 5312040461