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2807013 = 31185061
BaseRepresentation
bin1010101101010011100101
312021121111110
422231103211
51204311023
6140055233
732600466
oct12552345
95247443
102807013
111647a50
12b34519
13773871
14530d6d
153a6a93
hex2ad4e5

2807013 has 8 divisors (see below), whose sum is σ = 4082976. Its totient is φ = 1701200.

The previous prime is 2807009. The next prime is 2807017. The reversal of 2807013 is 3107082.

It is an interprime number because it is at equal distance from previous prime (2807009) and next prime (2807017).

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

It is a cyclic number.

It is not a de Polignac number, because 2807013 - 22 = 2807009 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2807017) 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, 42498 + ... + 42563.

It is an arithmetic number, because the mean of its divisors is an integer number (510372).

22807013 is an apocalyptic number.

It is an amenable number.

2807013 is a deficient number, since it is larger than the sum of its proper divisors (1275963).

2807013 is a wasteful number, since it uses less digits than its factorization.

2807013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 85075.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 2807013 is about 1675.4142771267. The cubic root of 2807013 is about 141.0635496443.

The spelling of 2807013 in words is "two million, eight hundred seven thousand, thirteen".

Divisors: 1 3 11 33 85061 255183 935671 2807013