Base | Representation |
---|---|
bin | 100110100110… |
… | …0001011000111 |
3 | 1102002001010122 |
4 | 1031030023013 |
5 | 20140004301 |
6 | 2001412155 |
7 | 333665012 |
oct | 115141307 |
9 | 42061118 |
10 | 20234951 |
11 | 10470900 |
12 | 693a05b |
13 | 4266359 |
14 | 298a379 |
15 | 1b9a81b |
hex | 134c2c7 |
20234951 has 12 divisors (see below), whose sum is σ = 22503600. Its totient is φ = 18179040.
The previous prime is 20234941. The next prime is 20234959. The reversal of 20234951 is 15943202.
It is not a de Polignac number, because 20234951 - 26 = 20234887 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 20234951.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20234959) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9830 + ... + 11708.
It is an arithmetic number, because the mean of its divisors is an integer number (1875300).
Almost surely, 220234951 is an apocalyptic number.
20234951 is a deficient number, since it is larger than the sum of its proper divisors (2268649).
20234951 is a wasteful number, since it uses less digits than its factorization.
20234951 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1990 (or 1979 counting only the distinct ones).
The product of its (nonzero) digits is 2160, while the sum is 26.
The square root of 20234951 is about 4498.3275781117. The cubic root of 20234951 is about 272.5005515798.
It can be divided in two parts, 202 and 34951, that added together give a palindrome (35153).
The spelling of 20234951 in words is "twenty million, two hundred thirty-four thousand, nine hundred fifty-one".
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