Base | Representation |
---|---|
bin | 100110101000… |
… | …0111010010010 |
3 | 1102010000202021 |
4 | 1031100322102 |
5 | 20141114404 |
6 | 2002042054 |
7 | 334105411 |
oct | 115207222 |
9 | 42100667 |
10 | 20254354 |
11 | 1048443a |
12 | 694932a |
13 | 4272133 |
14 | 2993478 |
15 | 1ba1454 |
hex | 1350e92 |
20254354 has 16 divisors (see below), whose sum is σ = 31671000. Its totient is φ = 9702784.
The previous prime is 20254349. The next prime is 20254357. The reversal of 20254354 is 45345202.
It can be written as a sum of positive squares in 4 ways, for example, as 20115225 + 139129 = 4485^2 + 373^2 .
It is not an unprimeable number, because it can be changed into a prime (20254357) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6672 + ... + 9220.
Almost surely, 220254354 is an apocalyptic number.
20254354 is a deficient number, since it is larger than the sum of its proper divisors (11416646).
20254354 is a wasteful number, since it uses less digits than its factorization.
20254354 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2717.
The product of its (nonzero) digits is 4800, while the sum is 25.
The square root of 20254354 is about 4500.4837517760. The cubic root of 20254354 is about 272.5876226929.
Adding to 20254354 its reverse (45345202), we get a palindrome (65599556).
The spelling of 20254354 in words is "twenty million, two hundred fifty-four thousand, three hundred fifty-four".
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