Search a number
-
+
12923156 = 2231891171
BaseRepresentation
bin110001010011…
…000100010100
3220022120020102
4301103010110
511302020111
61140553232
7214562561
oct61230424
926276212
1012923156
1173273a4
1243b2818
1328a624c
141a05868
15120413b
hexc53114

12923156 has 24 divisors (see below), whose sum is σ = 23627520. Its totient is φ = 6177600.

The previous prime is 12923153. The next prime is 12923189. The reversal of 12923156 is 65132921.

It is a super-2 number, since 2×129231562 = 334015922000672, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12923153) 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, 10451 + ... + 11621.

It is an arithmetic number, because the mean of its divisors is an integer number (984480).

Almost surely, 212923156 is an apocalyptic number.

It is an amenable number.

12923156 is a deficient number, since it is larger than the sum of its proper divisors (10704364).

12923156 is a wasteful number, since it uses less digits than its factorization.

12923156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1295 (or 1293 counting only the distinct ones).

The product of its digits is 3240, while the sum is 29.

The square root of 12923156 is about 3594.8791356595. The cubic root of 12923156 is about 234.6692555600.

The spelling of 12923156 in words is "twelve million, nine hundred twenty-three thousand, one hundred fifty-six".

Divisors: 1 2 4 31 62 89 124 178 356 1171 2342 2759 4684 5518 11036 36301 72602 104219 145204 208438 416876 3230789 6461578 12923156