Search a number
-
+
189605694 = 23124925301
BaseRepresentation
bin10110100110100…
…10011100111110
3111012202222010010
423103102130332
5342014340234
630451524050
74461423165
oct1323223476
9435688103
10189605694
1198033623
12535b9626
1330388125
141b2783dc
15119a46e9
hexb4d273e

189605694 has 16 divisors (see below), whose sum is σ = 379530000. Its totient is φ = 63148800.

The previous prime is 189605659. The next prime is 189605719. The reversal of 189605694 is 496506981.

189605694 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 an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5157 + ... + 20144.

It is an arithmetic number, because the mean of its divisors is an integer number (23720625).

Almost surely, 2189605694 is an apocalyptic number.

189605694 is an abundant number, since it is smaller than the sum of its proper divisors (189924306).

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

189605694 is a wasteful number, since it uses less digits than its factorization.

189605694 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26555.

The product of its (nonzero) digits is 466560, while the sum is 48.

The square root of 189605694 is about 13769.7383417406. The cubic root of 189605694 is about 574.4917439415.

The spelling of 189605694 in words is "one hundred eighty-nine million, six hundred five thousand, six hundred ninety-four".

Divisors: 1 2 3 6 1249 2498 3747 7494 25301 50602 75903 151806 31600949 63201898 94802847 189605694