Base | Representation |
---|---|
bin | 100110001111… |
… | …1011100011010 |
3 | 1101201201210222 |
4 | 1030133130122 |
5 | 20113123423 |
6 | 1553440042 |
7 | 332302610 |
oct | 114373432 |
9 | 41651728 |
10 | 20051738 |
11 | 10356193 |
12 | 6870022 |
13 | 4200b45 |
14 | 293d6b0 |
15 | 1b613c8 |
hex | 131f71a |
20051738 has 32 divisors (see below), whose sum is σ = 36681984. Its totient is φ = 8024832.
The previous prime is 20051729. The next prime is 20051767. The reversal of 20051738 is 83715002.
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, 40931 + ... + 41417.
It is an arithmetic number, because the mean of its divisors is an integer number (1146312).
Almost surely, 220051738 is an apocalyptic number.
20051738 is a deficient number, since it is larger than the sum of its proper divisors (16630246).
20051738 is a wasteful number, since it uses less digits than its factorization.
20051738 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 686.
The product of its (nonzero) digits is 1680, while the sum is 26.
The square root of 20051738 is about 4477.9167031109. The cubic root of 20051738 is about 271.6756243466.
The spelling of 20051738 in words is "twenty million, fifty-one thousand, seven hundred thirty-eight".
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