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12919024 = 242273557
BaseRepresentation
bin110001010010…
…000011110000
3220022100120101
4301102003300
511301402044
61140522144
7214544536
oct61220360
926270511
1012919024
117324288
1243b0354
1328a43c1
141a04156
151202cd4
hexc520f0

12919024 has 20 divisors (see below), whose sum is σ = 25147944. Its totient is φ = 6429248.

The previous prime is 12919021. The next prime is 12919043. The reversal of 12919024 is 42091921.

It is a happy number.

It is a super-2 number, since 2×129190242 = 333802362225152, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12918983 and 12919001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12919021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1854 + ... + 5410.

Almost surely, 212919024 is an apocalyptic number.

It is an amenable number.

12919024 is a deficient number, since it is larger than the sum of its proper divisors (12228920).

12919024 is a wasteful number, since it uses less digits than its factorization.

12919024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3792 (or 3786 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 28.

The square root of 12919024 is about 3594.3043833265. The cubic root of 12919024 is about 234.6442421467.

The spelling of 12919024 in words is "twelve million, nine hundred nineteen thousand, twenty-four".

Divisors: 1 2 4 8 16 227 454 908 1816 3557 3632 7114 14228 28456 56912 807439 1614878 3229756 6459512 12919024