Base | Representation |
---|---|
bin | 100110110110… |
… | …0101100011010 |
3 | 1102022210212002 |
4 | 1031230230122 |
5 | 20203240104 |
6 | 2004321002 |
7 | 335061242 |
oct | 115545432 |
9 | 42283762 |
10 | 20368154 |
11 | 10551994 |
12 | 69a3162 |
13 | 42b1b81 |
14 | 29c2b22 |
15 | 1bc501e |
hex | 136cb1a |
20368154 has 16 divisors (see below), whose sum is σ = 31476192. Its totient is φ = 9879408.
The previous prime is 20368129. The next prime is 20368163. The reversal of 20368154 is 45186302.
It is a pancake number, because a pancake can be divided into 20368154 parts by 6382 straight cuts.
It is a Curzon number.
It is an unprimeable number.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13292 + ... + 14744.
It is an arithmetic number, because the mean of its divisors is an integer number (1967262).
Almost surely, 220368154 is an apocalyptic number.
20368154 is a deficient number, since it is larger than the sum of its proper divisors (11108038).
20368154 is a wasteful number, since it uses less digits than its factorization.
20368154 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1661.
The product of its (nonzero) digits is 5760, while the sum is 29.
The square root of 20368154 is about 4513.1091278630. The cubic root of 20368154 is about 273.0971848261.
The spelling of 20368154 in words is "twenty million, three hundred sixty-eight thousand, one hundred fifty-four".
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