Base | Representation |
---|---|
bin | 100100001001… |
… | …0100010110101 |
3 | 1022122202221220 |
4 | 1020102202311 |
5 | 14322402300 |
6 | 1514100553 |
7 | 320034522 |
oct | 110224265 |
9 | 38582856 |
10 | 18950325 |
11 | a773729 |
12 | 641a759 |
13 | 3c06714 |
14 | 2734149 |
15 | 19e4da0 |
hex | 12128b5 |
18950325 has 48 divisors (see below), whose sum is σ = 33747840. Its totient is φ = 9349120.
The previous prime is 18950303. The next prime is 18950339. The reversal of 18950325 is 52305981.
It is not a de Polignac number, because 18950325 - 28 = 18950069 is a prime.
It is a super-2 number, since 2×189503252 = 718229635211250, 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 47 ways as a sum of consecutive naturals, for example, 113392 + ... + 113558.
It is an arithmetic number, because the mean of its divisors is an integer number (703080).
Almost surely, 218950325 is an apocalyptic number.
18950325 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
18950325 is a deficient number, since it is larger than the sum of its proper divisors (14797515).
18950325 is a wasteful number, since it uses less digits than its factorization.
18950325 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 286 (or 281 counting only the distinct ones).
The product of its (nonzero) digits is 10800, while the sum is 33.
The square root of 18950325 is about 4353.1971009822. The cubic root of 18950325 is about 266.6074130500.
The spelling of 18950325 in words is "eighteen million, nine hundred fifty thousand, three hundred twenty-five".
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