Base | Representation |
---|---|
bin | 1011010011111… |
… | …1000001100110 |
3 | 10022021102000210 |
4 | 2310333001212 |
5 | 44121202240 |
6 | 4412520250 |
7 | 1114160622 |
oct | 264770146 |
9 | 108242023 |
10 | 47444070 |
11 | 24865483 |
12 | 13a80086 |
13 | 9aa1c1b |
14 | 6430182 |
15 | 4272780 |
hex | 2d3f066 |
47444070 has 16 divisors (see below), whose sum is σ = 113865840. Its totient is φ = 12651744.
The previous prime is 47444051. The next prime is 47444071. The reversal of 47444070 is 7044474.
It is a Harshad number since it is a multiple of its sum of digits (30), and also a Moran number because the ratio is a prime number: 1581469 = 47444070 / (4 + 7 + 4 + 4 + 4 + 0 + 7 + 0).
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47444071) 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, 790705 + ... + 790764.
It is an arithmetic number, because the mean of its divisors is an integer number (7116615).
Almost surely, 247444070 is an apocalyptic number.
47444070 is an abundant number, since it is smaller than the sum of its proper divisors (66421770).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47444070 is a wasteful number, since it uses less digits than its factorization.
47444070 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1581479.
The product of its (nonzero) digits is 12544, while the sum is 30.
The square root of 47444070 is about 6887.9655922486. The cubic root of 47444070 is about 362.0156225770.
It can be divided in two parts, 474 and 44070, that added together give a palindrome (44544).
The spelling of 47444070 in words is "forty-seven million, four hundred forty-four thousand, seventy".
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