Search a number
-
+
189119712 = 2531969997
BaseRepresentation
bin10110100010110…
…11110011100000
3111011212021110210
423101123303200
5341403312322
630433254120
74454330265
oct1321336340
9434767423
10189119712
1197831491
1253404340
1330247b72
141b18d26c
151190a70c
hexb45bce0

189119712 has 24 divisors (see below), whose sum is σ = 496439496. Its totient is φ = 63039872.

The previous prime is 189119699. The next prime is 189119729. The reversal of 189119712 is 217911981.

189119712 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

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, 984903 + ... + 985094.

It is an arithmetic number, because the mean of its divisors is an integer number (20684979).

Almost surely, 2189119712 is an apocalyptic number.

189119712 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

189119712 is an abundant number, since it is smaller than the sum of its proper divisors (307319784).

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

189119712 is a wasteful number, since it uses less digits than its factorization.

189119712 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1970010 (or 1970002 counting only the distinct ones).

The product of its digits is 9072, while the sum is 39.

The square root of 189119712 is about 13752.0802789978. The cubic root of 189119712 is about 574.0004937128. Note that the first 3 decimals are identical.

The spelling of 189119712 in words is "one hundred eighty-nine million, one hundred nineteen thousand, seven hundred twelve".

Divisors: 1 2 3 4 6 8 12 16 24 32 48 96 1969997 3939994 5909991 7879988 11819982 15759976 23639964 31519952 47279928 63039904 94559856 189119712