Base | Representation |
---|---|
bin | 100111100100… |
… | …1000000110100 |
3 | 1110001000120012 |
4 | 1033021000310 |
5 | 20302340132 |
6 | 2020355352 |
7 | 341224550 |
oct | 117110064 |
9 | 43030505 |
10 | 20746292 |
11 | 1078aaa6 |
12 | 6b45b58 |
13 | 43b5018 |
14 | 2a80860 |
15 | 1c4c0b2 |
hex | 13c9034 |
20746292 has 12 divisors (see below), whose sum is σ = 41492640. Its totient is φ = 8891256.
The previous prime is 20746291. The next prime is 20746301. The reversal of 20746292 is 29264702.
20746292 is an admirable number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20746291) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 370442 + ... + 370497.
It is an arithmetic number, because the mean of its divisors is an integer number (3457720).
Almost surely, 220746292 is an apocalyptic number.
It is an amenable number.
20746292 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20746292 is a wasteful number, since it uses less digits than its factorization.
20746292 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 740950 (or 740948 counting only the distinct ones).
The product of its (nonzero) digits is 12096, while the sum is 32.
The square root of 20746292 is about 4554.8097655116. The cubic root of 20746292 is about 274.7768636231.
The spelling of 20746292 in words is "twenty million, seven hundred forty-six thousand, two hundred ninety-two".
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