Base | Representation |
---|---|
bin | 100110110100… |
… | …0001100000110 |
3 | 1102021212112200 |
4 | 1031220030012 |
5 | 20202142302 |
6 | 2004055330 |
7 | 334653402 |
oct | 115501406 |
9 | 42255480 |
10 | 20349702 |
11 | 1053a03a |
12 | 6994546 |
13 | 42a6659 |
14 | 29ba102 |
15 | 1bbe81c |
hex | 1368306 |
20349702 has 24 divisors (see below), whose sum is σ = 45514560. Its totient is φ = 6564240.
The previous prime is 20349683. The next prime is 20349737. The reversal of 20349702 is 20794302.
It is a super-2 number, since 2×203497022 = 828220742977608, which contains 22 as substring.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17677 + ... + 18792.
It is an arithmetic number, because the mean of its divisors is an integer number (1896440).
Almost surely, 220349702 is an apocalyptic number.
20349702 is an abundant number, since it is smaller than the sum of its proper divisors (25164858).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20349702 is a wasteful number, since it uses less digits than its factorization.
20349702 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36508 (or 36505 counting only the distinct ones).
The product of its (nonzero) digits is 3024, while the sum is 27.
The square root of 20349702 is about 4511.0643976782. The cubic root of 20349702 is about 273.0146914768.
The spelling of 20349702 in words is "twenty million, three hundred forty-nine thousand, seven hundred two".
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