Base | Representation |
---|---|
bin | 10110101111000… |
… | …11101101110110 |
3 | 111021212211111020 |
4 | 23113203231312 |
5 | 342311144412 |
6 | 30531522010 |
7 | 4504064340 |
oct | 1327435566 |
9 | 437784436 |
10 | 190724982 |
11 | 98728558 |
12 | 53a59306 |
13 | 3068a726 |
14 | 1b48a290 |
15 | 11b2618c |
hex | b5e3b76 |
190724982 has 16 divisors (see below), whose sum is σ = 435942912. Its totient is φ = 54492840.
The previous prime is 190724981. The next prime is 190725001. The reversal of 190724982 is 289427091.
It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 4541071 = 190724982 / (1 + 9 + 0 + 7 + 2 + 4 + 9 + 8 + 2).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (190724981) 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, 2270494 + ... + 2270577.
It is an arithmetic number, because the mean of its divisors is an integer number (27246432).
Almost surely, 2190724982 is an apocalyptic number.
190724982 is an abundant number, since it is smaller than the sum of its proper divisors (245217930).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
190724982 is a wasteful number, since it uses less digits than its factorization.
190724982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4541083.
The product of its (nonzero) digits is 72576, while the sum is 42.
The square root of 190724982 is about 13810.3215748222. The cubic root of 190724982 is about 575.6199810583.
The spelling of 190724982 in words is "one hundred ninety million, seven hundred twenty-four thousand, nine hundred eighty-two".
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