Base | Representation |
---|---|
bin | 1100001101011… |
… | …01110110000110 |
3 | 21010201200020100 |
4 | 12012231312012 |
5 | 202210031232 |
6 | 14055144530 |
7 | 2352406035 |
oct | 606556606 |
9 | 233650210 |
10 | 102423942 |
11 | 528a7695 |
12 | 2a375146 |
13 | 182b1baa |
14 | d86271c |
15 | 8ed2c7c |
hex | 61add86 |
102423942 has 24 divisors (see below), whose sum is σ = 223075944. Its totient is φ = 33963264.
The previous prime is 102423917. The next prime is 102423943. The reversal of 102423942 is 249324201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (102423943) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11268 + ... + 18215.
It is an arithmetic number, because the mean of its divisors is an integer number (9294831).
Almost surely, 2102423942 is an apocalyptic number.
102423942 is an abundant number, since it is smaller than the sum of its proper divisors (120652002).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
102423942 is a wasteful number, since it uses less digits than its factorization.
102423942 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 29684 (or 29681 counting only the distinct ones).
The product of its (nonzero) digits is 3456, while the sum is 27.
The square root of 102423942 is about 10120.4714317071. The cubic root of 102423942 is about 467.8792971648.
The spelling of 102423942 in words is "one hundred two million, four hundred twenty-three thousand, nine hundred forty-two".
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