Base | Representation |
---|---|
bin | 100110110110… |
… | …101010101110 |
3 | 201011110201200 |
4 | 212312222232 |
5 | 10101413030 |
6 | 1002150330 |
7 | 152401005 |
oct | 46665256 |
9 | 21143650 |
10 | 10185390 |
11 | 5827486 |
12 | 34b23a6 |
13 | 2158077 |
14 | 14d1c3c |
15 | d62d60 |
hex | 9b6aae |
10185390 has 24 divisors (see below), whose sum is σ = 26482248. Its totient is φ = 2716080.
The previous prime is 10185379. The next prime is 10185401. The reversal of 10185390 is 9358101.
It is an interprime number because it is at equal distance from previous prime (10185379) and next prime (10185401).
It is a Smith number, since the sum of its digits (27) coincides with the sum of the digits of its prime factors.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 56496 + ... + 56675.
It is an arithmetic number, because the mean of its divisors is an integer number (1103427).
Almost surely, 210185390 is an apocalyptic number.
10185390 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
10185390 is an abundant number, since it is smaller than the sum of its proper divisors (16296858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
10185390 is a wasteful number, since it uses less digits than its factorization.
10185390 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 113184 (or 113181 counting only the distinct ones).
The product of its (nonzero) digits is 1080, while the sum is 27.
The square root of 10185390 is about 3191.4557806744. The cubic root of 10185390 is about 216.7666941161.
It can be divided in two parts, 101 and 85390, that added together give a triangular number (85491 = T413).
The spelling of 10185390 in words is "ten million, one hundred eighty-five thousand, three hundred ninety".
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