Base | Representation |
---|---|
bin | 1011001110010… |
… | …1000110011110 |
3 | 10021120200210000 |
4 | 2303211012132 |
5 | 44022410432 |
6 | 4400555130 |
7 | 1111065030 |
oct | 263450636 |
9 | 107520700 |
10 | 47075742 |
11 | 2463377a |
12 | 13922aa6 |
13 | 99a338c |
14 | 6375c50 |
15 | 41ed57c |
hex | 2ce519e |
47075742 has 40 divisors (see below), whose sum is σ = 120556656. Its totient is φ = 13449888.
The previous prime is 47075731. The next prime is 47075761. The reversal of 47075742 is 24757074.
It is a happy number.
It is a super-2 number, since 2×470757422 = 4432250969701128, which contains 22 as substring.
It is a junction number, because it is equal to n+sod(n) for n = 47075697 and 47075706.
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, 19623 + ... + 21890.
Almost surely, 247075742 is an apocalyptic number.
47075742 is a gapful number since it is divisible by the number (42) formed by its first and last digit.
47075742 is an abundant number, since it is smaller than the sum of its proper divisors (73480914).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
47075742 is a wasteful number, since it uses less digits than its factorization.
47075742 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41534 (or 41525 counting only the distinct ones).
The product of its (nonzero) digits is 54880, while the sum is 36.
The square root of 47075742 is about 6861.1764297386. The cubic root of 47075742 is about 361.0763619177.
The spelling of 47075742 in words is "forty-seven million, seventy-five thousand, seven hundred forty-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.075 sec. • engine limits •