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7054013 = 37190649
BaseRepresentation
bin11010111010001010111101
3111021101021202
4122322022331
53301212023
6411105245
7113646431
oct32721275
914241252
107054013
113a8886a
122442225
1315cc995
14d189c1
15945128
hex6ba2bd

7054013 has 4 divisors (see below), whose sum is σ = 7244700. Its totient is φ = 6863328.

The previous prime is 7054007. The next prime is 7054039. The reversal of 7054013 is 3104507.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3104507 = 7443501.

It can be written as a sum of positive squares in 2 ways, for example, as 3892729 + 3161284 = 1973^2 + 1778^2 .

It is a cyclic number.

It is not a de Polignac number, because 7054013 - 214 = 7037629 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7054043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 95288 + ... + 95361.

It is an arithmetic number, because the mean of its divisors is an integer number (1811175).

Almost surely, 27054013 is an apocalyptic number.

It is an amenable number.

7054013 is a deficient number, since it is larger than the sum of its proper divisors (190687).

7054013 is a wasteful number, since it uses less digits than its factorization.

7054013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190686.

The product of its (nonzero) digits is 420, while the sum is 20.

The square root of 7054013 is about 2655.9391935811. The cubic root of 7054013 is about 191.7838731977.

The spelling of 7054013 in words is "seven million, fifty-four thousand, thirteen".

Divisors: 1 37 190649 7054013