Base | Representation |
---|---|
bin | 1011010100011… |
… | …1111010011000 |
3 | 10022100020222000 |
4 | 2311013322120 |
5 | 44123333342 |
6 | 4413401000 |
7 | 1114402014 |
oct | 265077230 |
9 | 108306860 |
10 | 47480472 |
11 | 2488a866 |
12 | 13a99160 |
13 | 9ab5670 |
14 | 643d544 |
15 | 427d44c |
hex | 2d47e98 |
47480472 has 128 divisors (see below), whose sum is σ = 146193600. Its totient is φ = 14183424.
The previous prime is 47480467. The next prime is 47480567. The reversal of 47480472 is 27408474.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 103668 + ... + 104124.
Almost surely, 247480472 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 47480472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73096800).
47480472 is an abundant number, since it is smaller than the sum of its proper divisors (98713128).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47480472 is a wasteful number, since it uses less digits than its factorization.
47480472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 522 (or 512 counting only the distinct ones).
The product of its (nonzero) digits is 50176, while the sum is 36.
The square root of 47480472 is about 6890.6075203860. The cubic root of 47480472 is about 362.1081857697.
The spelling of 47480472 in words is "forty-seven million, four hundred eighty thousand, four hundred seventy-two".
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