Base | Representation |
---|---|
bin | 1011011011111… |
… | …1100001000010 |
3 | 10100021010222101 |
4 | 2312333201002 |
5 | 44240022440 |
6 | 4432101014 |
7 | 1121512210 |
oct | 266774102 |
9 | 110233871 |
10 | 47970370 |
11 | 25094938 |
12 | 1409476a |
13 | 9c27646 |
14 | 6529cb0 |
15 | 432869a |
hex | 2dbf842 |
47970370 has 32 divisors (see below), whose sum is σ = 100983168. Its totient is φ = 16063488.
The previous prime is 47970359. The next prime is 47970371. The reversal of 47970370 is 7307974.
It is not an unprimeable number, because it can be changed into a prime (47970371) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4959 + ... + 10978.
It is an arithmetic number, because the mean of its divisors is an integer number (3155724).
Almost surely, 247970370 is an apocalyptic number.
47970370 is an abundant number, since it is smaller than the sum of its proper divisors (53012798).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47970370 is a wasteful number, since it uses less digits than its factorization.
47970370 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15994.
The product of its (nonzero) digits is 37044, while the sum is 37.
The square root of 47970370 is about 6926.0645391160. The cubic root of 47970370 is about 363.3493236143.
The spelling of 47970370 in words is "forty-seven million, nine hundred seventy thousand, three hundred seventy".
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