Search a number
-
+
189676365 = 3512645091
BaseRepresentation
bin10110100111000…
…11101101001101
3111012220120001120
423103203231031
5342024120430
630453231153
74462136214
oct1323435515
9435816046
10189676365
119808172a
12536324b9
13303b1348
141b29607b
15119ba610
hexb4e3b4d

189676365 has 8 divisors (see below), whose sum is σ = 303482208. Its totient is φ = 101160720.

The previous prime is 189676351. The next prime is 189676369. The reversal of 189676365 is 563676981.

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

It is not a de Polignac number, because 189676365 - 219 = 189152077 is a prime.

It is a super-2 number, since 2×1896763652 = 71954246879226450, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (189676369) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6322531 + ... + 6322560.

It is an arithmetic number, because the mean of its divisors is an integer number (37935276).

Almost surely, 2189676365 is an apocalyptic number.

189676365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

189676365 is a deficient number, since it is larger than the sum of its proper divisors (113805843).

189676365 is a wasteful number, since it uses less digits than its factorization.

189676365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12645099.

The product of its digits is 1632960, while the sum is 51.

The square root of 189676365 is about 13772.3042734322. The cubic root of 189676365 is about 574.5631111071.

The spelling of 189676365 in words is "one hundred eighty-nine million, six hundred seventy-six thousand, three hundred sixty-five".

Divisors: 1 3 5 15 12645091 37935273 63225455 189676365