Base | Representation |
---|---|
bin | 101000100101… |
… | …001100111110 |
3 | 202000110210021 |
4 | 220211030332 |
5 | 10210410032 |
6 | 1020002354 |
7 | 156264664 |
oct | 50451476 |
9 | 22013707 |
10 | 10638142 |
11 | 6006659 |
12 | 36903ba |
13 | 2286178 |
14 | 15acc34 |
15 | e02097 |
hex | a2533e |
10638142 has 8 divisors (see below), whose sum is σ = 16038000. Its totient is φ = 5292144.
The previous prime is 10638139. The next prime is 10638161. The reversal of 10638142 is 24183601.
10638142 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a super-2 number, since 2×106381422 = 226340130424328, 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 3 ways as a sum of consecutive naturals, for example, 12967 + ... + 13762.
It is an arithmetic number, because the mean of its divisors is an integer number (2004750).
Almost surely, 210638142 is an apocalyptic number.
10638142 is a deficient number, since it is larger than the sum of its proper divisors (5399858).
10638142 is a wasteful number, since it uses less digits than its factorization.
10638142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 26930.
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 10638142 is about 3261.6164704024. The cubic root of 10638142 is about 219.9320864754.
The spelling of 10638142 in words is "ten million, six hundred thirty-eight thousand, one hundred forty-two".
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