Base | Representation |
---|---|
bin | 1010001011101… |
… | …1110001010101 |
3 | 2222101000001110 |
4 | 2202323301111 |
5 | 41413242044 |
6 | 4123245233 |
7 | 1026022134 |
oct | 242736125 |
9 | 88330043 |
10 | 42712149 |
11 | 221232a7 |
12 | 12379819 |
13 | 8b0617c |
14 | 595b91b |
15 | 3b3a6b9 |
hex | 28bbc55 |
42712149 has 8 divisors (see below), whose sum is σ = 56997760. Its totient is φ = 28450656.
The previous prime is 42712147. The next prime is 42712151. The reversal of 42712149 is 94121724.
It is an interprime number because it is at equal distance from previous prime (42712147) and next prime (42712151).
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 42712149 - 21 = 42712147 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (42712147) 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, 1384 + ... + 9345.
It is an arithmetic number, because the mean of its divisors is an integer number (7124720).
Almost surely, 242712149 is an apocalyptic number.
It is an amenable number.
42712149 is a deficient number, since it is larger than the sum of its proper divisors (14285611).
42712149 is a wasteful number, since it uses less digits than its factorization.
42712149 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 12059.
The product of its digits is 4032, while the sum is 30.
The square root of 42712149 is about 6535.4532360044. The cubic root of 42712149 is about 349.5563057948.
The spelling of 42712149 in words is "forty-two million, seven hundred twelve thousand, one hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •