Base | Representation |
---|---|
bin | 1011010000111… |
… | …1001110010000 |
3 | 10021220110110000 |
4 | 2310033032100 |
5 | 44043421042 |
6 | 4404410000 |
7 | 1112414031 |
oct | 264171620 |
9 | 107813400 |
10 | 47248272 |
11 | 24741365 |
12 | 139a6900 |
13 | 9a33a76 |
14 | 63bca88 |
15 | 423474c |
hex | 2d0f390 |
47248272 has 50 divisors (see below), whose sum is σ = 136753958. Its totient is φ = 15748992.
The previous prime is 47248259. The next prime is 47248361. The reversal of 47248272 is 27284274.
It can be written as a sum of positive squares in only one way, i.e., 43877376 + 3370896 = 6624^2 + 1836^2 .
It is a Harshad number since it is a multiple of its sum of digits (36).
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, 16933 + ... + 19524.
Almost surely, 247248272 is an apocalyptic number.
It is an amenable number.
47248272 is an abundant number, since it is smaller than the sum of its proper divisors (89505686).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47248272 is a wasteful number, since it uses less digits than its factorization.
47248272 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 36477 (or 36462 counting only the distinct ones).
The product of its digits is 50176, while the sum is 36.
The square root of 47248272 is about 6873.7378477798. The cubic root of 47248272 is about 361.5169324553.
It can be divided in two parts, 4724 and 8272, that added together give a square (12996 = 1142).
The spelling of 47248272 in words is "forty-seven million, two hundred forty-eight thousand, two hundred seventy-two".
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