Base | Representation |
---|---|
bin | 100011101010… |
… | …0011101011110 |
3 | 1022011212010120 |
4 | 1013110131132 |
5 | 14241233110 |
6 | 1504415410 |
7 | 314625243 |
oct | 107243536 |
9 | 38155116 |
10 | 18696030 |
11 | a60a671 |
12 | 6317566 |
13 | 3b47a52 |
14 | 26a95ca |
15 | 1994870 |
hex | 11d475e |
18696030 has 32 divisors (see below), whose sum is σ = 45490464. Its totient is φ = 4916736.
The previous prime is 18696023. The next prime is 18696049. The reversal of 18696030 is 3069681.
It is a junction number, because it is equal to n+sod(n) for n = 18695982 and 18696000.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2079 + ... + 6458.
It is an arithmetic number, because the mean of its divisors is an integer number (1421577).
Almost surely, 218696030 is an apocalyptic number.
18696030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
18696030 is an abundant number, since it is smaller than the sum of its proper divisors (26794434).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
18696030 is a wasteful number, since it uses less digits than its factorization.
18696030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 8620.
The product of its (nonzero) digits is 7776, while the sum is 33.
The square root of 18696030 is about 4323.8906091621. The cubic root of 18696030 is about 265.4095009705.
The spelling of 18696030 in words is "eighteen million, six hundred ninety-six thousand, thirty".
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