Base | Representation |
---|---|
bin | 100111101011… |
… | …0101011110100 |
3 | 1110010212101021 |
4 | 1033112223310 |
5 | 20311133132 |
6 | 2021510524 |
7 | 341550040 |
oct | 117265364 |
9 | 43125337 |
10 | 20802292 |
11 | 10819085 |
12 | 6b72444 |
13 | 4404664 |
14 | 2a97020 |
15 | 1c5d997 |
hex | 13d6af4 |
20802292 has 24 divisors (see below), whose sum is σ = 42014336. Its totient is φ = 8827488.
The previous prime is 20802277. The next prime is 20802307. The reversal of 20802292 is 29220802.
It is an interprime number because it is at equal distance from previous prime (20802277) and next prime (20802307).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 723 + ... + 6490.
Almost surely, 220802292 is an apocalyptic number.
It is an amenable number.
20802292 is an abundant number, since it is smaller than the sum of its proper divisors (21212044).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20802292 is a wasteful number, since it uses less digits than its factorization.
20802292 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 7327 (or 7325 counting only the distinct ones).
The product of its (nonzero) digits is 1152, while the sum is 25.
The square root of 20802292 is about 4560.9529705973. The cubic root of 20802292 is about 275.0238745113.
The spelling of 20802292 in words is "twenty million, eight hundred two thousand, two hundred ninety-two".
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