Base | Representation |
---|---|
bin | 1011001111100… |
… | …0111100111000 |
3 | 10021201211022100 |
4 | 2303320330320 |
5 | 44033011143 |
6 | 4402423400 |
7 | 1111554051 |
oct | 263707470 |
9 | 107654270 |
10 | 47157048 |
11 | 24689874 |
12 | 13961b60 |
13 | 9a013a3 |
14 | 6397728 |
15 | 42176d3 |
hex | 2cf8f38 |
47157048 has 96 divisors (see below), whose sum is σ = 137732400. Its totient is φ = 14521344.
The previous prime is 47157043. The next prime is 47157049. The reversal of 47157048 is 84075174.
47157048 is a `hidden beast` number, since 47 + 1 + 570 + 48 = 666.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47157043) by changing a digit.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71890 + ... + 72542.
Almost surely, 247157048 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47157048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68866200).
47157048 is an abundant number, since it is smaller than the sum of its proper divisors (90575352).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47157048 is a wasteful number, since it uses less digits than its factorization.
47157048 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 741 (or 734 counting only the distinct ones).
The product of its (nonzero) digits is 31360, while the sum is 36.
The square root of 47157048 is about 6867.0989507943. The cubic root of 47157048 is about 361.2841178171.
The spelling of 47157048 in words is "forty-seven million, one hundred fifty-seven thousand, forty-eight".
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