Base | Representation |
---|---|
bin | 1011011000111… |
… | …0101101011100 |
3 | 10022212222202022 |
4 | 2312032231130 |
5 | 44212123320 |
6 | 4423515312 |
7 | 1120020323 |
oct | 266165534 |
9 | 108788668 |
10 | 47770460 |
11 | 24a68721 |
12 | 13bb8b38 |
13 | 9b8765a |
14 | 64b70ba |
15 | 42d9325 |
hex | 2d8eb5c |
47770460 has 24 divisors (see below), whose sum is σ = 101089296. Its totient is φ = 18961280.
The previous prime is 47770451. The next prime is 47770469. The reversal of 47770460 is 6407774.
It is an interprime number because it is at equal distance from previous prime (47770451) and next prime (47770469).
It is a super-2 number, since 2×477704602 = 4564033697223200, which contains 22 as substring.
It is a self number, because there is not a number n which added to its sum of digits gives 47770460.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47770469) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6497 + ... + 11736.
It is an arithmetic number, because the mean of its divisors is an integer number (4212054).
Almost surely, 247770460 is an apocalyptic number.
It is an amenable number.
47770460 is an abundant number, since it is smaller than the sum of its proper divisors (53318836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47770460 is a wasteful number, since it uses less digits than its factorization.
47770460 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 18373 (or 18371 counting only the distinct ones).
The product of its (nonzero) digits is 32928, while the sum is 35.
The square root of 47770460 is about 6911.6177556343. The cubic root of 47770460 is about 362.8438845319.
Subtracting from 47770460 its sum of digits (35), we obtain a triangular number (47770425 = T9774).
The spelling of 47770460 in words is "forty-seven million, seven hundred seventy thousand, four hundred sixty".
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