Base | Representation |
---|---|
bin | 1011001101010… |
… | …0101111010101 |
3 | 10021110021211220 |
4 | 2303110233111 |
5 | 44013234400 |
6 | 4355320553 |
7 | 1110365451 |
oct | 263245725 |
9 | 107407756 |
10 | 47008725 |
11 | 24598395 |
12 | 138b0159 |
13 | 997ba1a |
14 | 6359661 |
15 | 41d87a0 |
hex | 2cd4bd5 |
47008725 has 12 divisors (see below), whose sum is σ = 77721216. Its totient is φ = 25071280.
The previous prime is 47008699. The next prime is 47008727. The reversal of 47008725 is 52780074.
It is not a de Polignac number, because 47008725 - 25 = 47008693 is a prime.
It is a super-2 number, since 2×470087252 = 4419640452251250, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47008727) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313317 + ... + 313466.
It is an arithmetic number, because the mean of its divisors is an integer number (6476768).
Almost surely, 247008725 is an apocalyptic number.
It is an amenable number.
47008725 is a deficient number, since it is larger than the sum of its proper divisors (30712491).
47008725 is a wasteful number, since it uses less digits than its factorization.
47008725 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 626796 (or 626791 counting only the distinct ones).
The product of its (nonzero) digits is 15680, while the sum is 33.
The square root of 47008725 is about 6856.2909068971. The cubic root of 47008725 is about 360.9049378432.
Adding to 47008725 its reverse (52780074), we get a palindrome (99788799).
The spelling of 47008725 in words is "forty-seven million, eight thousand, seven hundred twenty-five".
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