Base | Representation |
---|---|
bin | 101101010001… |
… | …1011100011110 |
3 | 1122200000121110 |
4 | 1122203130132 |
5 | 22034110032 |
6 | 2204442450 |
7 | 405525261 |
oct | 132433436 |
9 | 48600543 |
10 | 23738142 |
11 | 124438aa |
12 | 7b49426 |
13 | 4bc1a4c |
14 | 321ccd8 |
15 | 213d7cc |
hex | 16a371e |
23738142 has 16 divisors (see below), whose sum is σ = 47819520. Its totient is φ = 7855512.
The previous prime is 23738123. The next prime is 23738173. The reversal of 23738142 is 24183732.
It is a super-2 number, since 2×237381422 = 1126998771224328, 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 7 ways as a sum of consecutive naturals, for example, 13398 + ... + 15065.
It is an arithmetic number, because the mean of its divisors is an integer number (2988720).
Almost surely, 223738142 is an apocalyptic number.
23738142 is an abundant number, since it is smaller than the sum of its proper divisors (24081378).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
23738142 is a wasteful number, since it uses less digits than its factorization.
23738142 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 28607.
The product of its digits is 8064, while the sum is 30.
The square root of 23738142 is about 4872.1804153787. The cubic root of 23738142 is about 287.3970070910.
The spelling of 23738142 in words is "twenty-three million, seven hundred thirty-eight thousand, one hundred forty-two".
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