Search a number
-
+
156000890 = 25152310243
BaseRepresentation
bin10010100110001…
…10001001111010
3101212112122222202
421103012021322
5304414012030
623251350202
73602662043
oct1123061172
9355478882
10156000890
1180070861
12442b2362
1326420426
1416a0b8ca
15da67745
hex94c627a

156000890 has 16 divisors (see below), whose sum is σ = 281013408. Its totient is φ = 62353296.

The previous prime is 156000877. The next prime is 156000931. The reversal of 156000890 is 98000651.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10109 + ... + 20351.

It is an arithmetic number, because the mean of its divisors is an integer number (17563338).

Almost surely, 2156000890 is an apocalyptic number.

156000890 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

156000890 is a deficient number, since it is larger than the sum of its proper divisors (125012518).

156000890 is a wasteful number, since it uses less digits than its factorization.

156000890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11773.

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 156000890 is about 12490.0316252602. The cubic root of 156000890 is about 538.3222849374.

The spelling of 156000890 in words is "one hundred fifty-six million, eight hundred ninety", and thus it is an aban number.

Divisors: 1 2 5 10 1523 3046 7615 10243 15230 20486 51215 102430 15600089 31200178 78000445 156000890