Base | Representation |
---|---|
bin | 1011001110110… |
… | …1111101011110 |
3 | 10021122112120000 |
4 | 2303231331132 |
5 | 44030041110 |
6 | 4401435130 |
7 | 1111305600 |
oct | 263557536 |
9 | 107575500 |
10 | 47112030 |
11 | 24658a69 |
12 | 1393baa6 |
13 | 99b6a54 |
14 | 6385170 |
15 | 42091c0 |
hex | 2cedf5e |
47112030 has 120 divisors (see below), whose sum is σ = 147485448. Its totient is φ = 10759392.
The previous prime is 47112029. The next prime is 47112059. The reversal of 47112030 is 3021174.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is a Curzon number.
It is a junction number, because it is equal to n+sod(n) for n = 47111994 and 47112012.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 39097 + ... + 40283.
Almost surely, 247112030 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 47112030, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73742724).
47112030 is an abundant number, since it is smaller than the sum of its proper divisors (100373418).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47112030 is a wasteful number, since it uses less digits than its factorization.
47112030 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1220 (or 1204 counting only the distinct ones).
The product of its (nonzero) digits is 168, while the sum is 18.
The square root of 47112030 is about 6863.8203647823. The cubic root of 47112030 is about 361.1691158017.
The spelling of 47112030 in words is "forty-seven million, one hundred twelve thousand, thirty".
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