Base | Representation |
---|---|
bin | 1011011011111… |
… | …1111111101010 |
3 | 10100021020122222 |
4 | 2312333333222 |
5 | 44240103310 |
6 | 4432114042 |
7 | 1121521010 |
oct | 266777752 |
9 | 110236588 |
10 | 47972330 |
11 | 2509635a |
12 | 14095922 |
13 | 9c284c3 |
14 | 652a8b0 |
15 | 4329055 |
hex | 2dbffea |
47972330 has 16 divisors (see below), whose sum is σ = 98686080. Its totient is φ = 16447632.
The previous prime is 47972311. The next prime is 47972341. The reversal of 47972330 is 3327974.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 342590 + ... + 342729.
It is an arithmetic number, because the mean of its divisors is an integer number (6167880).
Almost surely, 247972330 is an apocalyptic number.
47972330 is an abundant number, since it is smaller than the sum of its proper divisors (50713750).
47972330 is a wasteful number, since it uses less digits than its factorization.
47972330 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 685333.
The product of its (nonzero) digits is 31752, while the sum is 35.
The square root of 47972330 is about 6926.2060321651. The cubic root of 47972330 is about 363.3542721896.
The spelling of 47972330 in words is "forty-seven million, nine hundred seventy-two thousand, three hundred thirty".
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