Base | Representation |
---|---|
bin | 100111100111… |
… | …0100100011000 |
3 | 1110002011210000 |
4 | 1033032210120 |
5 | 20304102143 |
6 | 2021053000 |
7 | 341351106 |
oct | 117164430 |
9 | 43064700 |
10 | 20769048 |
11 | 107a6103 |
12 | 6b57160 |
13 | 43c24a1 |
14 | 2a88c76 |
15 | 1c53bd3 |
hex | 13ce918 |
20769048 has 40 divisors (see below), whose sum is σ = 58174380. Its totient is φ = 6922800.
The previous prime is 20769037. The next prime is 20769113. The reversal of 20769048 is 84096702.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 15378 + ... + 16673.
Almost surely, 220769048 is an apocalyptic number.
It is an amenable number.
20769048 is an abundant number, since it is smaller than the sum of its proper divisors (37405332).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
20769048 is a wasteful number, since it uses less digits than its factorization.
20769048 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 32069 (or 32056 counting only the distinct ones).
The product of its (nonzero) digits is 24192, while the sum is 36.
The square root of 20769048 is about 4557.3070995929. The cubic root of 20769048 is about 274.8772918108.
The spelling of 20769048 in words is "twenty million, seven hundred sixty-nine thousand, forty-eight".
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