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12193028 = 223048257
BaseRepresentation
bin101110100000…
…110100000100
3211221110200122
4232200310010
511110134103
61113201112
7205432121
oct56406404
924843618
1012193028
116978891
124100198
1326abb13
141895748
15110cb38
hexba0d04

12193028 has 6 divisors (see below), whose sum is σ = 21337806. Its totient is φ = 6096512.

The previous prime is 12193009. The next prime is 12193033. The reversal of 12193028 is 82039121.

It can be written as a sum of positive squares in only one way, i.e., 10549504 + 1643524 = 3248^2 + 1282^2 .

It is a junction number, because it is equal to n+sod(n) for n = 12192988 and 12193006.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1524125 + ... + 1524132.

It is an arithmetic number, because the mean of its divisors is an integer number (3556301).

Almost surely, 212193028 is an apocalyptic number.

It is an amenable number.

12193028 is a deficient number, since it is larger than the sum of its proper divisors (9144778).

12193028 is a wasteful number, since it uses less digits than its factorization.

12193028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3048261 (or 3048259 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 26.

The square root of 12193028 is about 3491.8516577885. The cubic root of 12193028 is about 230.1638907503.

The spelling of 12193028 in words is "twelve million, one hundred ninety-three thousand, twenty-eight".

Divisors: 1 2 4 3048257 6096514 12193028