Base | Representation |
---|---|
bin | 100110110111… |
… | …1100000111110 |
3 | 1102100101201002 |
4 | 1031233200332 |
5 | 20204122320 |
6 | 2004450302 |
7 | 335140031 |
oct | 115574076 |
9 | 42311632 |
10 | 20379710 |
11 | 1055a63a |
12 | 69a9992 |
13 | 42b7200 |
14 | 29c7018 |
15 | 1bc8675 |
hex | 136f83e |
20379710 has 48 divisors (see below), whose sum is σ = 41109120. Its totient is φ = 7263360.
The previous prime is 20379703. The next prime is 20379713. The reversal of 20379710 is 1797302.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20379713) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 52196 + ... + 52584.
It is an arithmetic number, because the mean of its divisors is an integer number (856440).
Almost surely, 220379710 is an apocalyptic number.
20379710 is an abundant number, since it is smaller than the sum of its proper divisors (20729410).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20379710 is a wasteful number, since it uses less digits than its factorization.
20379710 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 453 (or 440 counting only the distinct ones).
The product of its (nonzero) digits is 2646, while the sum is 29.
The square root of 20379710 is about 4514.3892167158. The cubic root of 20379710 is about 273.1488228622.
The spelling of 20379710 in words is "twenty million, three hundred seventy-nine thousand, seven hundred ten".
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