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7662013 = 23333131
BaseRepresentation
bin11101001110100110111101
3112102021022021
4131032212331
53430141023
6432120141
7122061142
oct35164675
915367267
107662013
114363647
122696051
131783648
1410363c9
15a1535d
hex74e9bd

7662013 has 4 divisors (see below), whose sum is σ = 7995168. Its totient is φ = 7328860.

The previous prime is 7662001. The next prime is 7662023. The reversal of 7662013 is 3102667.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 7662013 - 25 = 7661981 is a prime.

7662013 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7662023) 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, 166543 + ... + 166588.

It is an arithmetic number, because the mean of its divisors is an integer number (1998792).

Almost surely, 27662013 is an apocalyptic number.

It is an amenable number.

7662013 is a deficient number, since it is larger than the sum of its proper divisors (333155).

7662013 is a wasteful number, since it uses less digits than its factorization.

7662013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333154.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 7662013 is about 2768.0341399629. The cubic root of 7662013 is about 197.1428186105.

The spelling of 7662013 in words is "seven million, six hundred sixty-two thousand, thirteen".

Divisors: 1 23 333131 7662013