Base | Representation |
---|---|
bin | 10110010101101… |
… | …01000010111110 |
3 | 111001121022010210 |
4 | 23022311002332 |
5 | 340432404334 |
6 | 30332213250 |
7 | 4433525655 |
oct | 1312650276 |
9 | 431538123 |
10 | 187388094 |
11 | 968594a3 |
12 | 5290a226 |
13 | 2ca8c93a |
14 | 1ac5c19c |
15 | 116b75e9 |
hex | b2b50be |
187388094 has 8 divisors (see below), whose sum is σ = 374776200. Its totient is φ = 62462696.
The previous prime is 187388083. The next prime is 187388141. The reversal of 187388094 is 490883781.
It is a sphenic number, since it is the product of 3 distinct primes.
187388094 is an admirable number.
It is a super-2 number, since 2×1873880942 = 70228595545905672, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15615669 + ... + 15615680.
It is an arithmetic number, because the mean of its divisors is an integer number (46847025).
Almost surely, 2187388094 is an apocalyptic number.
187388094 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
187388094 is a wasteful number, since it uses less digits than its factorization.
187388094 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 31231354.
The product of its (nonzero) digits is 387072, while the sum is 48.
The square root of 187388094 is about 13688.9770983810. The cubic root of 187388094 is about 572.2432316009.
The spelling of 187388094 in words is "one hundred eighty-seven million, three hundred eighty-eight thousand, ninety-four".
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