Base | Representation |
---|---|
bin | 100110101101… |
… | …1101111010100 |
3 | 1102012021121000 |
4 | 1031123233110 |
5 | 20144024313 |
6 | 2003023300 |
7 | 334351623 |
oct | 115335724 |
9 | 42167530 |
10 | 20298708 |
11 | 105047a1 |
12 | 696ab30 |
13 | 4289391 |
14 | 29a56ba |
15 | 1bae673 |
hex | 135bbd4 |
20298708 has 24 divisors (see below), whose sum is σ = 52626560. Its totient is φ = 6766200.
The previous prime is 20298701. The next prime is 20298721. The reversal of 20298708 is 80789202.
It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20298701) 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, 93868 + ... + 94083.
Almost surely, 220298708 is an apocalyptic number.
It is an amenable number.
20298708 is an abundant number, since it is smaller than the sum of its proper divisors (32327852).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20298708 is a wasteful number, since it uses less digits than its factorization.
20298708 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 187964 (or 187956 counting only the distinct ones).
The product of its (nonzero) digits is 16128, while the sum is 36.
The square root of 20298708 is about 4505.4087494921. The cubic root of 20298708 is about 272.7864529755.
The spelling of 20298708 in words is "twenty million, two hundred ninety-eight thousand, seven hundred eight".
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