Base | Representation |
---|---|
bin | 10110011010100… |
… | …10000000000110 |
3 | 111002210222000110 |
4 | 23031102000012 |
5 | 341113442412 |
6 | 30354053450 |
7 | 4442144166 |
oct | 1315220006 |
9 | 432728013 |
10 | 188030982 |
11 | 97158507 |
12 | 52b7a286 |
13 | 2cc56449 |
14 | 1ad885a6 |
15 | 11792d3c |
hex | b352006 |
188030982 has 32 divisors (see below), whose sum is σ = 399347712. Its totient is φ = 58817664.
The previous prime is 188030963. The next prime is 188030989. The reversal of 188030982 is 289030881.
It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a self number, because there is not a number n which added to its sum of digits gives 188030982.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (188030989) 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, 34923 + ... + 39945.
It is an arithmetic number, because the mean of its divisors is an integer number (12479616).
Almost surely, 2188030982 is an apocalyptic number.
188030982 is an abundant number, since it is smaller than the sum of its proper divisors (211316730).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
188030982 is a wasteful number, since it uses less digits than its factorization.
188030982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5412.
The product of its (nonzero) digits is 27648, while the sum is 39.
The square root of 188030982 is about 13712.4389515505. The cubic root of 188030982 is about 572.8968988711.
The spelling of 188030982 in words is "one hundred eighty-eight million, thirty thousand, nine hundred eighty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.070 sec. • engine limits •