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7993885 = 52636079
BaseRepresentation
bin11110011111101000011101
3120001010112211
4132133220131
54021301020
6443200421
7124642534
oct36375035
916033484
107993885
11456aa19
122816111
13186b713
1410c131b
15a7d85a
hex79fa1d

7993885 has 8 divisors (see below), whose sum is σ = 9630720. Its totient is φ = 6369744.

The previous prime is 7993883. The next prime is 7993897. The reversal of 7993885 is 5883997.

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 7993885 - 21 = 7993883 is a prime.

7993885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993883) 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, 1725 + ... + 4354.

It is an arithmetic number, because the mean of its divisors is an integer number (1203840).

Almost surely, 27993885 is an apocalyptic number.

It is an amenable number.

7993885 is a deficient number, since it is larger than the sum of its proper divisors (1636835).

7993885 is a wasteful number, since it uses less digits than its factorization.

7993885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6347.

The product of its digits is 544320, while the sum is 49.

The square root of 7993885 is about 2827.3459286051. The cubic root of 7993885 is about 199.9490286774.

The spelling of 7993885 in words is "seven million, nine hundred ninety-three thousand, eight hundred eighty-five".

Divisors: 1 5 263 1315 6079 30395 1598777 7993885