Base | Representation |
---|---|
bin | 100100000011… |
… | …0110000100110 |
3 | 1022120022202002 |
4 | 1020012300212 |
5 | 14314331204 |
6 | 1513045302 |
7 | 316444013 |
oct | 110066046 |
9 | 38508662 |
10 | 18902054 |
11 | a740436 |
12 | 63b6832 |
13 | 3bba762 |
14 | 272070a |
15 | 19d591e |
hex | 1206c26 |
18902054 has 8 divisors (see below), whose sum is σ = 28557480. Its totient is φ = 9382896.
The previous prime is 18902053. The next prime is 18902071. The reversal of 18902054 is 45020981.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (18902053) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33719 + ... + 34274.
It is an arithmetic number, because the mean of its divisors is an integer number (3569685).
Almost surely, 218902054 is an apocalyptic number.
18902054 is a deficient number, since it is larger than the sum of its proper divisors (9655426).
18902054 is a wasteful number, since it uses less digits than its factorization.
18902054 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 68134.
The product of its (nonzero) digits is 2880, while the sum is 29.
The square root of 18902054 is about 4347.6492498821. The cubic root of 18902054 is about 266.3808496696.
The spelling of 18902054 in words is "eighteen million, nine hundred two thousand, fifty-four".
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