Base | Representation |
---|---|
bin | 10110100001100… |
… | …10111110101100 |
3 | 111011112210002110 |
4 | 23100302332230 |
5 | 341332434432 |
6 | 30425524020 |
7 | 4453032621 |
oct | 1320627654 |
9 | 434483073 |
10 | 188952492 |
11 | 97727893 |
12 | 53343610 |
13 | 301b9a11 |
14 | 1b148348 |
15 | 118c5dcc |
hex | b432fac |
188952492 has 48 divisors (see below), whose sum is σ = 474911360. Its totient is φ = 58278528.
The previous prime is 188952461. The next prime is 188952493. The reversal of 188952492 is 294259881.
It is not an unprimeable number, because it can be changed into a prime (188952493) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 168 + ... + 19440.
Almost surely, 2188952492 is an apocalyptic number.
188952492 is a gapful number since it is divisible by the number (12) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 188952492, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (237455680).
188952492 is an abundant number, since it is smaller than the sum of its proper divisors (285958868).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188952492 is a wasteful number, since it uses less digits than its factorization.
188952492 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 19342 (or 19340 counting only the distinct ones).
The product of its digits is 414720, while the sum is 48.
The square root of 188952492 is about 13745.9991270187. Note that the first 3 decimals coincide. The cubic root of 188952492 is about 573.8312663924.
The spelling of 188952492 in words is "one hundred eighty-eight million, nine hundred fifty-two thousand, four hundred ninety-two".
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