Base | Representation |
---|---|
bin | 1011001110111… |
… | …1111010000000 |
3 | 10021122221111012 |
4 | 2303233322000 |
5 | 44030320000 |
6 | 4401540052 |
7 | 1111341044 |
oct | 263577200 |
9 | 107587435 |
10 | 47120000 |
11 | 24663a54 |
12 | 13944628 |
13 | 99ba575 |
14 | 6388024 |
15 | 420b735 |
hex | 2cefe80 |
47120000 has 160 divisors (see below), whose sum is σ = 127459200. Its totient is φ = 17280000.
The previous prime is 47119951. The next prime is 47120053. The reversal of 47120000 is 2174.
It is a happy number.
It is a tau number, because it is divible by the number of its divisors (160).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1519985 + ... + 1520015.
It is an arithmetic number, because the mean of its divisors is an integer number (796620).
Almost surely, 247120000 is an apocalyptic number.
47120000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47120000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (63729600).
47120000 is an abundant number, since it is smaller than the sum of its proper divisors (80339200).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47120000 is an equidigital number, since it uses as much as digits as its factorization.
47120000 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 84 (or 57 counting only the distinct ones).
The product of its (nonzero) digits is 56, while the sum is 14.
The square root of 47120000 is about 6864.4009206922. The cubic root of 47120000 is about 361.1894811277.
Adding to 47120000 its reverse (2174), we get a palindrome (47122174).
The spelling of 47120000 in words is "forty-seven million, one hundred twenty thousand".
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