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7993053 = 331915581
BaseRepresentation
bin11110011111011011011101
3120001002102000
4132133123131
54021234203
6443152513
7124640235
oct36373335
916032360
107993053
11456a332
122815739
13186b223
1410c0cc5
15a7d4a3
hex79f6dd

7993053 has 16 divisors (see below), whose sum is σ = 12465600. Its totient is φ = 5047920.

The previous prime is 7993021. The next prime is 7993057. The reversal of 7993053 is 3503997.

It is not a de Polignac number, because 7993053 - 25 = 7993021 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 7992999 and 7993017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7993057) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7278 + ... + 8303.

It is an arithmetic number, because the mean of its divisors is an integer number (779100).

Almost surely, 27993053 is an apocalyptic number.

It is an amenable number.

7993053 is a deficient number, since it is larger than the sum of its proper divisors (4472547).

7993053 is a wasteful number, since it uses less digits than its factorization.

7993053 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15609 (or 15603 counting only the distinct ones).

The product of its (nonzero) digits is 25515, while the sum is 36.

The square root of 7993053 is about 2827.1987903223. The cubic root of 7993053 is about 199.9420915680.

The spelling of 7993053 in words is "seven million, nine hundred ninety-three thousand, fifty-three".

Divisors: 1 3 9 19 27 57 171 513 15581 46743 140229 296039 420687 888117 2664351 7993053