Search a number
-
+
189122674 = 21328325703
BaseRepresentation
bin10110100010111…
…00100001110010
3111011212102112111
423101130201302
5341403411144
630433315534
74454342026
oct1321344162
9434772474
10189122674
1197833734
1253405baa
1330249310
141b190386
151190b534
hexb45c872

189122674 has 16 divisors (see below), whose sum is σ = 306597312. Its totient is φ = 86975568.

The previous prime is 189122669. The next prime is 189122677. The reversal of 189122674 is 476221981.

It is not an unprimeable number, because it can be changed into a prime (189122677) 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, 5494 + ... + 20209.

It is an arithmetic number, because the mean of its divisors is an integer number (19162332).

Almost surely, 2189122674 is an apocalyptic number.

189122674 is a deficient number, since it is larger than the sum of its proper divisors (117474638).

189122674 is a wasteful number, since it uses less digits than its factorization.

189122674 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26001.

The product of its digits is 48384, while the sum is 40.

The square root of 189122674 is about 13752.1879713739. The cubic root of 189122674 is about 574.0034903696.

The spelling of 189122674 in words is "one hundred eighty-nine million, one hundred twenty-two thousand, six hundred seventy-four".

Divisors: 1 2 13 26 283 566 3679 7358 25703 51406 334139 668278 7273949 14547898 94561337 189122674