Base | Representation |
---|---|
bin | 1011001101010… |
… | …0110110100110 |
3 | 10021110022111010 |
4 | 2303110312212 |
5 | 44013243230 |
6 | 4355323050 |
7 | 1110400014 |
oct | 263246646 |
9 | 107408433 |
10 | 47009190 |
11 | 24598778 |
12 | 138b0486 |
13 | 997bcb7 |
14 | 63598b4 |
15 | 41d89b0 |
hex | 2cd4da6 |
47009190 has 32 divisors (see below), whose sum is σ = 113151456. Its totient is φ = 12499200.
The previous prime is 47009189. The next prime is 47009197. The reversal of 47009190 is 9190074.
It is a super-2 number, since 2×470091902 = 4419727888912200, which contains 22 as substring.
It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a Harshad number since it is a multiple of its sum of digits (30).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47009197) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9090 + ... + 13290.
It is an arithmetic number, because the mean of its divisors is an integer number (3535983).
Almost surely, 247009190 is an apocalyptic number.
47009190 is an abundant number, since it is smaller than the sum of its proper divisors (66142266).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47009190 is a wasteful number, since it uses less digits than its factorization.
47009190 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4584.
The product of its (nonzero) digits is 2268, while the sum is 30.
The square root of 47009190 is about 6856.3248172764. The cubic root of 47009190 is about 360.9061278368.
The spelling of 47009190 in words is "forty-seven million, nine thousand, one hundred ninety".
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