Base | Representation |
---|---|
bin | 100110011100… |
… | …1001110101110 |
3 | 1101221002200211 |
4 | 1030321032232 |
5 | 20130013413 |
6 | 2000013034 |
7 | 333222544 |
oct | 114711656 |
9 | 41832624 |
10 | 20157358 |
11 | 10418581 |
12 | 690117a |
13 | 4239c40 |
14 | 2969d94 |
15 | 1b8283d |
hex | 13393ae |
20157358 has 16 divisors (see below), whose sum is σ = 32805360. Its totient is φ = 9233856.
The previous prime is 20157353. The next prime is 20157367. The reversal of 20157358 is 85375102.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20157353) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 733 + ... + 6391.
It is an arithmetic number, because the mean of its divisors is an integer number (2050335).
Almost surely, 220157358 is an apocalyptic number.
20157358 is a deficient number, since it is larger than the sum of its proper divisors (12648002).
20157358 is a wasteful number, since it uses less digits than its factorization.
20157358 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5811.
The product of its (nonzero) digits is 8400, while the sum is 31.
The square root of 20157358 is about 4489.6946444051. The cubic root of 20157358 is about 272.1517949578.
The spelling of 20157358 in words is "twenty million, one hundred fifty-seven thousand, three hundred fifty-eight".
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