Base | Representation |
---|---|
bin | 1011001111000… |
… | …1101110110000 |
3 | 10021200022201221 |
4 | 2303301232300 |
5 | 44031034342 |
6 | 4402034424 |
7 | 1111401610 |
oct | 263615660 |
9 | 107608657 |
10 | 47127472 |
11 | 24669627 |
12 | 13948a14 |
13 | 99c0aa2 |
14 | 638aa40 |
15 | 420da67 |
hex | 2cf1bb0 |
47127472 has 20 divisors (see below), whose sum is σ = 104353936. Its totient is φ = 20197440.
The previous prime is 47127463. The next prime is 47127481. The reversal of 47127472 is 27472174.
It is a happy number.
It is an interprime number because it is at equal distance from previous prime (47127463) and next prime (47127481).
It is a super-2 number, since 2×471274722 = 4441997234221568, which contains 22 as substring.
It is a nude number because it is divisible by every one of its digits.
It is an unprimeable number.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 210279 + ... + 210502.
Almost surely, 247127472 is an apocalyptic number.
It is an amenable number.
47127472 is an abundant number, since it is smaller than the sum of its proper divisors (57226464).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47127472 is a wasteful number, since it uses less digits than its factorization.
47127472 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 420796 (or 420790 counting only the distinct ones).
The product of its digits is 21952, while the sum is 34.
The square root of 47127472 is about 6864.9451563723. The cubic root of 47127472 is about 361.2085718547.
The spelling of 47127472 in words is "forty-seven million, one hundred twenty-seven thousand, four hundred seventy-two".
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