Search a number
-
+
169409084 = 221329311119
BaseRepresentation
bin10100001100011…
…11101000111100
3102210202212120112
422012033220330
5321332042314
624451005152
74124645015
oct1206175074
9383685515
10169409084
1187699609
12488997b8
1329136380
14186dc00c
15ed1543e
hexa18fa3c

169409084 has 24 divisors (see below), whose sum is σ = 320389440. Its totient is φ = 77914944.

The previous prime is 169409081. The next prime is 169409113. The reversal of 169409084 is 480904961.

169409084 is digitally balanced in base 2, 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 (169409081) 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, 9677 + ... + 20795.

It is an arithmetic number, because the mean of its divisors is an integer number (13349560).

Almost surely, 2169409084 is an apocalyptic number.

It is an amenable number.

169409084 is a deficient number, since it is larger than the sum of its proper divisors (150980356).

169409084 is a wasteful number, since it uses less digits than its factorization.

169409084 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11429 (or 11427 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 169409084 is about 13015.7244900159. The cubic root of 169409084 is about 553.3232231504.

The spelling of 169409084 in words is "one hundred sixty-nine million, four hundred nine thousand, eighty-four".

Divisors: 1 2 4 13 26 52 293 586 1172 3809 7618 11119 15236 22238 44476 144547 289094 578188 3257867 6515734 13031468 42352271 84704542 169409084