Base | Representation |
---|---|
bin | 1011111100100… |
… | …1111000010100 |
3 | 10111021211221220 |
4 | 2333021320110 |
5 | 100312004342 |
6 | 4550010340 |
7 | 1145633133 |
oct | 277117024 |
9 | 114254856 |
10 | 50109972 |
11 | 26316400 |
12 | 149469b0 |
13 | a4c6493 |
14 | 692591a |
15 | 45ec5ec |
hex | 2fc9e14 |
50109972 has 36 divisors (see below), whose sum is σ = 128522688. Its totient is φ = 15184400.
The previous prime is 50109971. The next prime is 50109977. The reversal of 50109972 is 27990105.
It is a super-2 number, since 2×501099722 = 5022018587681568, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (33).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (50109971) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15804 + ... + 18707.
Almost surely, 250109972 is an apocalyptic number.
It is an amenable number.
50109972 is an abundant number, since it is smaller than the sum of its proper divisors (78412716).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
50109972 is a wasteful number, since it uses less digits than its factorization.
50109972 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 34540 (or 34527 counting only the distinct ones).
The product of its (nonzero) digits is 5670, while the sum is 33.
The square root of 50109972 is about 7078.8397354369. The cubic root of 50109972 is about 368.6730456288.
The spelling of 50109972 in words is "fifty million, one hundred nine thousand, nine hundred seventy-two".
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