Base | Representation |
---|---|
bin | 1011010100010… |
… | …1110111000101 |
3 | 10022022211102210 |
4 | 2311011313011 |
5 | 44123101234 |
6 | 4413254033 |
7 | 1114335351 |
oct | 265056705 |
9 | 108284383 |
10 | 47472069 |
11 | 24884517 |
12 | 13a94319 |
13 | 9ab18a8 |
14 | 643a461 |
15 | 427abe9 |
hex | 2d45dc5 |
47472069 has 16 divisors (see below), whose sum is σ = 66252672. Its totient is φ = 30178368.
The previous prime is 47472037. The next prime is 47472071. The reversal of 47472069 is 96027474.
It is not a de Polignac number, because 47472069 - 25 = 47472037 is a prime.
It is a super-2 number, since 2×474720692 = 4507194670281522, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47472079) 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, 26527 + ... + 28259.
It is an arithmetic number, because the mean of its divisors is an integer number (4140792).
Almost surely, 247472069 is an apocalyptic number.
It is an amenable number.
47472069 is a deficient number, since it is larger than the sum of its proper divisors (18780603).
47472069 is a wasteful number, since it uses less digits than its factorization.
47472069 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 2156.
The product of its (nonzero) digits is 84672, while the sum is 39.
The square root of 47472069 is about 6889.9977503625. The cubic root of 47472069 is about 362.0868227793.
The spelling of 47472069 in words is "forty-seven million, four hundred seventy-two thousand, sixty-nine".
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