Base | Representation |
---|---|
bin | 1011011100010… |
… | …1100000011100 |
3 | 10100022101122012 |
4 | 2313011200130 |
5 | 44241314113 |
6 | 4432410352 |
7 | 1121643563 |
oct | 267054034 |
9 | 110271565 |
10 | 47994908 |
11 | 25101315 |
12 | 140a69b8 |
13 | 9c35870 |
14 | 6534bda |
15 | 4330aa8 |
hex | 2dc581c |
47994908 has 24 divisors (see below), whose sum is σ = 90646080. Its totient is φ = 22104000.
The previous prime is 47994901. The next prime is 47994911. The reversal of 47994908 is 80949974.
It is a super-2 number, since 2×479949082 = 4607022387856928, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (47994901) 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, 38438 + ... + 39666.
It is an arithmetic number, because the mean of its divisors is an integer number (3776920).
Almost surely, 247994908 is an apocalyptic number.
It is an amenable number.
47994908 is a deficient number, since it is larger than the sum of its proper divisors (42651172).
47994908 is a wasteful number, since it uses less digits than its factorization.
47994908 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1997 (or 1995 counting only the distinct ones).
The product of its (nonzero) digits is 653184, while the sum is 50.
The square root of 47994908 is about 6927.8357370827. The cubic root of 47994908 is about 363.4112670313.
The spelling of 47994908 in words is "forty-seven million, nine hundred ninety-four thousand, nine hundred eight".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.071 sec. • engine limits •