Base | Representation |
---|---|
bin | 1011010010111… |
… | …1010111011010 |
3 | 10022011011001020 |
4 | 2310233113122 |
5 | 44112124210 |
6 | 4411303310 |
7 | 1113502623 |
oct | 264572732 |
9 | 108134036 |
10 | 47379930 |
11 | 24821274 |
12 | 13a4ab36 |
13 | 9a7b980 |
14 | 6414a4a |
15 | 425d770 |
hex | 2d2f5da |
47379930 has 32 divisors (see below), whose sum is σ = 122459904. Its totient is φ = 11662656.
The previous prime is 47379923. The next prime is 47379961. The reversal of 47379930 is 3997374.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 60354 + ... + 61133.
It is an arithmetic number, because the mean of its divisors is an integer number (3826872).
Almost surely, 247379930 is an apocalyptic number.
47379930 is an abundant number, since it is smaller than the sum of its proper divisors (75079974).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47379930 is a wasteful number, since it uses less digits than its factorization.
47379930 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 121510.
The product of its (nonzero) digits is 142884, while the sum is 42.
The square root of 47379930 is about 6883.3080709787. The cubic root of 47379930 is about 361.8524117794.
The spelling of 47379930 in words is "forty-seven million, three hundred seventy-nine thousand, nine hundred thirty".
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