Search a number
-
+
189355098 = 231372231033
BaseRepresentation
bin10110100100101…
…01010001011010
3111012022020100210
423102111101122
5341433330343
630442311550
74456330452
oct1322252132
9435266323
10189355098
1197982319
12534b85b6
13302cb04a
141b210d62
1511955333
hexb49545a

189355098 has 32 divisors (see below), whose sum is σ = 383556096. Its totient is φ = 62316288.

The previous prime is 189355081. The next prime is 189355169. The reversal of 189355098 is 890553981.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 182790 + ... + 183822.

It is an arithmetic number, because the mean of its divisors is an integer number (11986128).

Almost surely, 2189355098 is an apocalyptic number.

189355098 is an abundant number, since it is smaller than the sum of its proper divisors (194200998).

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

189355098 is a wasteful number, since it uses less digits than its factorization.

189355098 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1398.

The product of its (nonzero) digits is 388800, while the sum is 48.

The square root of 189355098 is about 13760.6358137987. The cubic root of 189355098 is about 574.2385363480.

The spelling of 189355098 in words is "one hundred eighty-nine million, three hundred fifty-five thousand, ninety-eight".

Divisors: 1 2 3 6 137 223 274 411 446 669 822 1033 1338 2066 3099 6198 30551 61102 91653 141521 183306 230359 283042 424563 460718 691077 849126 1382154 31559183 63118366 94677549 189355098