Base | Representation |
---|---|
bin | 10110100010101… |
… | …01111011110110 |
3 | 111011211001111100 |
4 | 23101111323312 |
5 | 341402030140 |
6 | 30432550530 |
7 | 4454200221 |
oct | 1321257366 |
9 | 434731440 |
10 | 189095670 |
11 | 97815415 |
12 | 533b2446 |
13 | 30239c3a |
14 | 1b1845b8 |
15 | 11903530 |
hex | b455ef6 |
189095670 has 48 divisors (see below), whose sum is σ = 493526592. Its totient is φ = 50232960.
The previous prime is 189095611. The next prime is 189095677. The reversal of 189095670 is 76590981.
189095670 is a `hidden beast` number, since 1 + 89 + 0 + 9 + 567 + 0 = 666.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (189095677) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 20514 + ... + 28266.
It is an arithmetic number, because the mean of its divisors is an integer number (10281804).
Almost surely, 2189095670 is an apocalyptic number.
189095670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
189095670 is an abundant number, since it is smaller than the sum of its proper divisors (304430922).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
189095670 is a wasteful number, since it uses less digits than its factorization.
189095670 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 8037 (or 8034 counting only the distinct ones).
The product of its (nonzero) digits is 136080, while the sum is 45.
The square root of 189095670 is about 13751.2061289183. The cubic root of 189095670 is about 573.9761692527.
The spelling of 189095670 in words is "one hundred eighty-nine million, ninety-five thousand, six hundred seventy".
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