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7668023 = 11697093
BaseRepresentation
bin11101010000000100110111
3112102120112212
4131100010313
53430334043
6432204035
7122114516
oct35200467
915376485
107668023
114368110
12269961b
1317862bc
14103867d
15a17018
hex750137

7668023 has 4 divisors (see below), whose sum is σ = 8365128. Its totient is φ = 6970920.

The previous prime is 7668019. The next prime is 7668029. The reversal of 7668023 is 3208667.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 7668023 - 22 = 7668019 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 (7668029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 348536 + ... + 348557.

It is an arithmetic number, because the mean of its divisors is an integer number (2091282).

Almost surely, 27668023 is an apocalyptic number.

7668023 is a deficient number, since it is larger than the sum of its proper divisors (697105).

7668023 is a wasteful number, since it uses less digits than its factorization.

7668023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 697104.

The product of its (nonzero) digits is 12096, while the sum is 32.

The square root of 7668023 is about 2769.1195351591. The cubic root of 7668023 is about 197.1943507029.

The spelling of 7668023 in words is "seven million, six hundred sixty-eight thousand, twenty-three".

Divisors: 1 11 697093 7668023