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7276013 = 29376781
BaseRepresentation
bin11011110000010111101101
3111200122210222
4123300113231
53330313023
6415541125
7115562603
oct33602755
914618728
107276013
11411a638
12252a7a5
131679a44
14d75873
1598acc8
hex6f05ed

7276013 has 8 divisors (see below), whose sum is σ = 7731480. Its totient is φ = 6834240.

The previous prime is 7276007. The next prime is 7276021. The reversal of 7276013 is 3106727.

It can be written as a sum of positive squares in 4 ways, for example, as 2316484 + 4959529 = 1522^2 + 2227^2 .

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 7276013 - 28 = 7275757 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 (7276043) 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, 2318 + ... + 4463.

It is an arithmetic number, because the mean of its divisors is an integer number (966435).

Almost surely, 27276013 is an apocalyptic number.

It is an amenable number.

7276013 is a deficient number, since it is larger than the sum of its proper divisors (455467).

7276013 is a wasteful number, since it uses less digits than its factorization.

7276013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6847.

The product of its (nonzero) digits is 1764, while the sum is 26.

The square root of 7276013 is about 2697.4085712031. The cubic root of 7276013 is about 193.7750341568.

The spelling of 7276013 in words is "seven million, two hundred seventy-six thousand, thirteen".

Divisors: 1 29 37 1073 6781 196649 250897 7276013