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5290643287 = 172313531057
BaseRepresentation
bin1001110110101100…
…01100111101010111
3111122201021112012101
410323112030331113
541313401041122
62232552502531
7245051503666
oct47326147527
914581245171
105290643287
112275480676
1210379aaa47
13664131877
1438291addd
1520e718027
hex13b58cf57

5290643287 has 8 divisors (see below), whose sum is σ = 5845417056. Its totient is φ = 4762931712.

The previous prime is 5290643263. The next prime is 5290643297. The reversal of 5290643287 is 7823460925.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-5290643287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5290643207) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6765138 + ... + 6765919.

It is an arithmetic number, because the mean of its divisors is an integer number (730677132).

Almost surely, 25290643287 is an apocalyptic number.

5290643287 is a deficient number, since it is larger than the sum of its proper divisors (554773769).

5290643287 is a wasteful number, since it uses less digits than its factorization.

5290643287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13531097.

The product of its (nonzero) digits is 725760, while the sum is 46.

The square root of 5290643287 is about 72736.8083366324. The cubic root of 5290643287 is about 1742.4867871763.

The spelling of 5290643287 in words is "five billion, two hundred ninety million, six hundred forty-three thousand, two hundred eighty-seven".

Divisors: 1 17 23 391 13531057 230027969 311214311 5290643287