Base | Representation |
---|---|
bin | 100110100111… |
… | …0100010101110 |
3 | 1102002112110000 |
4 | 1031032202232 |
5 | 20140312104 |
6 | 2001525130 |
7 | 334035213 |
oct | 115164256 |
9 | 42075400 |
10 | 20244654 |
11 | 10478121 |
12 | 69437a6 |
13 | 426a8b1 |
14 | 298db0a |
15 | 1b9d639 |
hex | 134e8ae |
20244654 has 40 divisors (see below), whose sum is σ = 48037968. Its totient is φ = 6350400.
The previous prime is 20244647. The next prime is 20244667. The reversal of 20244654 is 45644202.
20244654 is a `hidden beast` number, since 2 + 0 + 2 + 4 + 4 + 654 = 666.
It is a Harshad number since it is a multiple of its sum of digits (27).
It is a congruent 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 19 ways as a sum of consecutive naturals, for example, 922 + ... + 6429.
Almost surely, 220244654 is an apocalyptic number.
20244654 is an abundant number, since it is smaller than the sum of its proper divisors (27793314).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20244654 is a wasteful number, since it uses less digits than its factorization.
20244654 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7382 (or 7373 counting only the distinct ones).
The product of its (nonzero) digits is 7680, while the sum is 27.
The square root of 20244654 is about 4499.4059607908. The cubic root of 20244654 is about 272.5441008219.
Adding to 20244654 its reverse (45644202), we get a palindrome (65888856).
It can be divided in two parts, 202446 and 54, that added together give a square (202500 = 4502).
The spelling of 20244654 in words is "twenty million, two hundred forty-four thousand, six hundred fifty-four".
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