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12873028 = 2271672753
BaseRepresentation
bin110001000110…
…110101000100
3220020000110211
4301012311010
511243414103
61135525204
7214263460
oct61066504
926200424
1012873028
1172a2773
124389804
13288949c
1419d14a0
1511e436d
hexc46d44

12873028 has 24 divisors (see below), whose sum is σ = 25909632. Its totient is φ = 5481984.

The previous prime is 12873019. The next prime is 12873041. The reversal of 12873028 is 82037821.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3300 + ... + 6052.

It is an arithmetic number, because the mean of its divisors is an integer number (1079568).

Almost surely, 212873028 is an apocalyptic number.

It is an amenable number.

12873028 is an abundant number, since it is smaller than the sum of its proper divisors (13036604).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12873028 is a wasteful number, since it uses less digits than its factorization.

12873028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2931 (or 2929 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 31.

The square root of 12873028 is about 3587.9002215781. The cubic root of 12873028 is about 234.3654406294.

The spelling of 12873028 in words is "twelve million, eight hundred seventy-three thousand, twenty-eight".

Divisors: 1 2 4 7 14 28 167 334 668 1169 2338 2753 4676 5506 11012 19271 38542 77084 459751 919502 1839004 3218257 6436514 12873028