Search a number
-
+
146181912 = 23317358289
BaseRepresentation
bin10001011011010…
…00111100011000
3101012001210212220
420231220330120
5244410310122
622301104040
73423345222
oct1055507430
9335053786
10146181912
11755746a8
1240b58020
1324393096
14155b3412
15cc7825c
hex8b68f18

146181912 has 32 divisors (see below), whose sum is σ = 386953200. Its totient is φ = 45860864.

The previous prime is 146181907. The next prime is 146181913. The reversal of 146181912 is 219181641.

146181912 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146181913) by changing a digit.

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, 178737 + ... + 179552.

Almost surely, 2146181912 is an apocalyptic number.

146181912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146181912 is an abundant number, since it is smaller than the sum of its proper divisors (240771288).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

146181912 is a wasteful number, since it uses less digits than its factorization.

146181912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358315 (or 358311 counting only the distinct ones).

The product of its digits is 3456, while the sum is 33.

The square root of 146181912 is about 12090.5712023874. The cubic root of 146181912 is about 526.7823467165.

The spelling of 146181912 in words is "one hundred forty-six million, one hundred eighty-one thousand, nine hundred twelve".

Divisors: 1 2 3 4 6 8 12 17 24 34 51 68 102 136 204 408 358289 716578 1074867 1433156 2149734 2866312 4299468 6090913 8598936 12181826 18272739 24363652 36545478 48727304 73090956 146181912