Base | Representation |
---|---|
bin | 10110100001000… |
… | …11100010100101 |
3 | 111011102120100021 |
4 | 23100203202211 |
5 | 341323424003 |
6 | 30424315141 |
7 | 4452350350 |
oct | 1320434245 |
9 | 434376307 |
10 | 188889253 |
11 | 97694323 |
12 | 53312ab1 |
13 | 30196cb7 |
14 | 1b12d297 |
15 | 118b22bd |
hex | b4238a5 |
188889253 has 8 divisors (see below), whose sum is σ = 215975808. Its totient is φ = 161828304.
The previous prime is 188889229. The next prime is 188889257. The reversal of 188889253 is 352988881.
It is a happy number.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a cyclic number.
It is not a de Polignac number, because 188889253 - 25 = 188889221 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 188889253.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188889257) 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, 13575 + ... + 23707.
It is an arithmetic number, because the mean of its divisors is an integer number (26996976).
Almost surely, 2188889253 is an apocalyptic number.
It is an amenable number.
188889253 is a deficient number, since it is larger than the sum of its proper divisors (27086555).
188889253 is a wasteful number, since it uses less digits than its factorization.
188889253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12803.
The product of its digits is 1105920, while the sum is 52.
The square root of 188889253 is about 13743.6986652065. The cubic root of 188889253 is about 573.7672422485.
The spelling of 188889253 in words is "one hundred eighty-eight million, eight hundred eighty-nine thousand, two hundred fifty-three".
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