Search a number
-
+
12878234 = 238916553
BaseRepresentation
bin110001001000…
…000110011010
3220020021121122
4301020012122
511244100414
61140005242
7214314605
oct61100632
926207548
1012878234
1172a6676
124390822
13288b975
1419d333c
1511e5b8e
hexc4819a

12878234 has 8 divisors (see below), whose sum is σ = 19368180. Its totient is φ = 6422176.

The previous prime is 12878227. The next prime is 12878267. The reversal of 12878234 is 43287821.

It can be written as a sum of positive squares in 2 ways, for example, as 12581209 + 297025 = 3547^2 + 545^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 12878194 and 12878203.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7499 + ... + 9054.

Almost surely, 212878234 is an apocalyptic number.

12878234 is a deficient number, since it is larger than the sum of its proper divisors (6489946).

12878234 is a wasteful number, since it uses less digits than its factorization.

12878234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16944.

The product of its digits is 21504, while the sum is 35.

The square root of 12878234 is about 3588.6256422202. The cubic root of 12878234 is about 234.3970297278.

The spelling of 12878234 in words is "twelve million, eight hundred seventy-eight thousand, two hundred thirty-four".

Divisors: 1 2 389 778 16553 33106 6439117 12878234