Base | Representation |
---|---|
bin | 1010111110110100… |
… | …1111011001110100 |
3 | 21121102221102200020 |
4 | 2233231033121310 |
5 | 22014123403442 |
6 | 1204303045140 |
7 | 133023334044 |
oct | 25755173164 |
9 | 7542842606 |
10 | 2947872372 |
11 | 1282aa7165 |
12 | 6a32a07b0 |
13 | 37c9628a3 |
14 | 1dd717724 |
15 | 123be89ec |
hex | afb4f674 |
2947872372 has 24 divisors (see below), whose sum is σ = 7177429056. Its totient is φ = 939901248.
The previous prime is 2947872293. The next prime is 2947872377. The reversal of 2947872372 is 2732787492.
It is a happy number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (2947872377) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5340073 + ... + 5340624.
It is an arithmetic number, because the mean of its divisors is an integer number (299059544).
Almost surely, 22947872372 is an apocalyptic number.
It is an amenable number.
2947872372 is an abundant number, since it is smaller than the sum of its proper divisors (4229556684).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
2947872372 is a wasteful number, since it uses less digits than its factorization.
2947872372 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 10680727 (or 10680725 counting only the distinct ones).
The product of its digits is 2370816, while the sum is 51.
The square root of 2947872372 is about 54294.3125198211. The cubic root of 2947872372 is about 1433.8472650401.
The spelling of 2947872372 in words is "two billion, nine hundred forty-seven million, eight hundred seventy-two thousand, three hundred seventy-two".
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