Base | Representation |
---|---|
bin | 1000110100111… |
… | …10000111111011 |
3 | 12011100000202100 |
4 | 10122132013323 |
5 | 122424013440 |
6 | 11203034443 |
7 | 1556253240 |
oct | 432360773 |
9 | 164300670 |
10 | 74047995 |
11 | 3888639a |
12 | 2096ba23 |
13 | 124581a8 |
14 | 9b975c7 |
15 | 677a230 |
hex | 469e1fb |
74047995 has 48 divisors (see below), whose sum is σ = 151437312. Its totient is φ = 32754240.
The previous prime is 74047993. The next prime is 74048003. The reversal of 74047995 is 59974047.
It is not a de Polignac number, because 74047995 - 21 = 74047993 is a prime.
It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 74047995.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (74047993) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5974 + ... + 13556.
It is an arithmetic number, because the mean of its divisors is an integer number (3154944).
Almost surely, 274047995 is an apocalyptic number.
74047995 is an abundant number, since it is smaller than the sum of its proper divisors (77389317).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74047995 is a wasteful number, since it uses less digits than its factorization.
74047995 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 7632 (or 7629 counting only the distinct ones).
The product of its (nonzero) digits is 317520, while the sum is 45.
The square root of 74047995 is about 8605.1144675710. The cubic root of 74047995 is about 419.9243911515.
The spelling of 74047995 in words is "seventy-four million, forty-seven thousand, nine hundred ninety-five".
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