Base | Representation |
---|---|
bin | 100111100011… |
… | …1011010110110 |
3 | 1110000200121111 |
4 | 1033013122312 |
5 | 20302133031 |
6 | 2020305234 |
7 | 341166535 |
oct | 117073266 |
9 | 43020544 |
10 | 20739766 |
11 | 10786103 |
12 | 6b4221a |
13 | 43b2068 |
14 | 2a7c31c |
15 | 1c4a1b1 |
hex | 13c76b6 |
20739766 has 8 divisors (see below), whose sum is σ = 31268160. Its totient is φ = 10317048.
The previous prime is 20739731. The next prime is 20739769. The reversal of 20739766 is 66793702.
It is a sphenic number, since it is the product of 3 distinct primes.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (20739769) 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, 25926 + ... + 26713.
It is an arithmetic number, because the mean of its divisors is an integer number (3908520).
Almost surely, 220739766 is an apocalyptic number.
20739766 is a deficient number, since it is larger than the sum of its proper divisors (10528394).
20739766 is a wasteful number, since it uses less digits than its factorization.
20739766 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 52838.
The product of its (nonzero) digits is 95256, while the sum is 40.
The square root of 20739766 is about 4554.0933235936. The cubic root of 20739766 is about 274.7480491267.
The spelling of 20739766 in words is "twenty million, seven hundred thirty-nine thousand, seven hundred sixty-six".
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