Base | Representation |
---|---|
bin | 100111111001… |
… | …0000101000110 |
3 | 1110100120022012 |
4 | 1033302011012 |
5 | 20323231002 |
6 | 2024134222 |
7 | 342525140 |
oct | 117620506 |
9 | 43316265 |
10 | 20914502 |
11 | 10895414 |
12 | 7007372 |
13 | 444375b |
14 | 2ac5c90 |
15 | 1c81d52 |
hex | 13f2146 |
20914502 has 16 divisors (see below), whose sum is σ = 36038400. Its totient is φ = 8917128.
The previous prime is 20914477. The next prime is 20914507. The reversal of 20914502 is 20541902.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20914507) 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, 968 + ... + 6539.
It is an arithmetic number, because the mean of its divisors is an integer number (2252400).
Almost surely, 220914502 is an apocalyptic number.
20914502 is a deficient number, since it is larger than the sum of its proper divisors (15123898).
20914502 is a wasteful number, since it uses less digits than its factorization.
20914502 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7715.
The product of its (nonzero) digits is 720, while the sum is 23.
The square root of 20914502 is about 4573.2375840317. The cubic root of 20914502 is about 275.5174916952.
The spelling of 20914502 in words is "twenty million, nine hundred fourteen thousand, five hundred two".
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