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5274581 = 131512687
BaseRepresentation
bin10100000111101111010101
3100220222100212
4110013233111
52322241311
6305015205
762555534
oct24075725
910828325
105274581
112a82964
121924505
131128a70
149b431b
156e2c8b
hex507bd5

5274581 has 8 divisors (see below), whose sum is σ = 5720064. Its totient is φ = 4834800.

The previous prime is 5274559. The next prime is 5274583. The reversal of 5274581 is 1854725.

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-5274581 is a prime.

It is a super-2 number, since 2×52745812 = 55642409451122, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5274583) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 620 + ... + 3306.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 25274581 is an apocalyptic number.

It is an amenable number.

5274581 is a deficient number, since it is larger than the sum of its proper divisors (445483).

5274581 is a wasteful number, since it uses less digits than its factorization.

5274581 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2851.

The product of its digits is 11200, while the sum is 32.

The square root of 5274581 is about 2296.6455973876. The cubic root of 5274581 is about 174.0721614637.

The spelling of 5274581 in words is "five million, two hundred seventy-four thousand, five hundred eighty-one".

Divisors: 1 13 151 1963 2687 34931 405737 5274581