Base | Representation |
---|---|
bin | 1100001001101… |
… | …1100010010000 |
3 | 10112220110221101 |
4 | 3002123202100 |
5 | 101021444340 |
6 | 5020234144 |
7 | 1156140565 |
oct | 302334220 |
9 | 115813841 |
10 | 50968720 |
11 | 26852610 |
12 | 1509b954 |
13 | a73730a |
14 | 6aaa86c |
15 | 471bc9a |
hex | 309b890 |
50968720 has 80 divisors (see below), whose sum is σ = 136919808. Its totient is φ = 17438720.
The previous prime is 50968663. The next prime is 50968751. The reversal of 50968720 is 2786905.
It is a tau number, because it is divible by the number of its divisors (80).
It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.
It is a self number, because there is not a number n which added to its sum of digits gives 50968720.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13257 + ... + 16663.
Almost surely, 250968720 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 50968720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68459904).
50968720 is an abundant number, since it is smaller than the sum of its proper divisors (85951088).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50968720 is a wasteful number, since it uses less digits than its factorization.
50968720 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 3448 (or 3442 counting only the distinct ones).
The product of its (nonzero) digits is 30240, while the sum is 37.
The square root of 50968720 is about 7139.2380545826. The cubic root of 50968720 is about 370.7671446346.
The spelling of 50968720 in words is "fifty million, nine hundred sixty-eight thousand, seven hundred twenty".
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