Base | Representation |
---|---|
bin | 100011100111… |
… | …1010101110001 |
3 | 1022010210100210 |
4 | 1013033111301 |
5 | 14240100212 |
6 | 1504134333 |
7 | 314510142 |
oct | 107172561 |
9 | 38123323 |
10 | 18675057 |
11 | a5a5935 |
12 | 63073a9 |
13 | 3b3b33b |
14 | 26a1ac9 |
15 | 198d53c |
hex | 11cf571 |
18675057 has 8 divisors (see below), whose sum is σ = 25982784. Its totient is φ = 11908688.
The previous prime is 18675053. The next prime is 18675091. The reversal of 18675057 is 75057681.
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 18675057 - 22 = 18675053 is a prime.
It is not an unprimeable number, because it can be changed into a prime (18675053) 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, 135258 + ... + 135395.
It is an arithmetic number, because the mean of its divisors is an integer number (3247848).
Almost surely, 218675057 is an apocalyptic number.
It is an amenable number.
18675057 is a deficient number, since it is larger than the sum of its proper divisors (7307727).
18675057 is a wasteful number, since it uses less digits than its factorization.
18675057 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 270679.
The product of its (nonzero) digits is 58800, while the sum is 39.
The square root of 18675057 is about 4321.4646822576. The cubic root of 18675057 is about 265.3102193544.
The spelling of 18675057 in words is "eighteen million, six hundred seventy-five thousand, fifty-seven".
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