Base | Representation |
---|---|
bin | 1011010101000… |
… | …1010101000000 |
3 | 10022102012212110 |
4 | 2311101111000 |
5 | 44131102130 |
6 | 4414255320 |
7 | 1114622322 |
oct | 265212500 |
9 | 108365773 |
10 | 47519040 |
11 | 24906838 |
12 | 13ab7540 |
13 | 9aca09a |
14 | 644d612 |
15 | 4289ab0 |
hex | 2d51540 |
47519040 has 56 divisors (see below), whose sum is σ = 150876000. Its totient is φ = 12671488.
The previous prime is 47519009. The next prime is 47519047. The reversal of 47519040 is 4091574.
It is a happy number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a junction number, because it is equal to n+sod(n) for n = 47518989 and 47519007.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47519047) 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, 23790 + ... + 25709.
Almost surely, 247519040 is an apocalyptic number.
47519040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
47519040 is an abundant number, since it is smaller than the sum of its proper divisors (103356960).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47519040 is a wasteful number, since it uses less digits than its factorization.
47519040 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 49519 (or 49509 counting only the distinct ones).
The product of its (nonzero) digits is 5040, while the sum is 30.
The square root of 47519040 is about 6893.4055444316. The cubic root of 47519040 is about 362.2062050760.
The spelling of 47519040 in words is "forty-seven million, five hundred nineteen thousand, forty".
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