Base | Representation |
---|---|
bin | 1000110110110… |
… | …00111001101100 |
3 | 12011210021000010 |
4 | 10123120321230 |
5 | 123004214443 |
6 | 11212133220 |
7 | 1561305162 |
oct | 433307154 |
9 | 164707003 |
10 | 74288748 |
11 | 38a30266 |
12 | 20a67210 |
13 | 12510951 |
14 | 9c1b232 |
15 | 67c6733 |
hex | 46d8e6c |
74288748 has 24 divisors (see below), whose sum is σ = 178026352. Its totient is φ = 24093504.
The previous prime is 74288743. The next prime is 74288783. The reversal of 74288748 is 84788247.
It is a happy number.
It is a junction number, because it is equal to n+sod(n) for n = 74288697 and 74288706.
It is not an unprimeable number, because it can be changed into a prime (74288743) 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, 83215 + ... + 84102.
Almost surely, 274288748 is an apocalyptic number.
It is an amenable number.
74288748 is an abundant number, since it is smaller than the sum of its proper divisors (103737604).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74288748 is a wasteful number, since it uses less digits than its factorization.
74288748 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 167361 (or 167359 counting only the distinct ones).
The product of its digits is 802816, while the sum is 48.
The square root of 74288748 is about 8619.0920635529. The cubic root of 74288748 is about 420.3790002978.
The spelling of 74288748 in words is "seventy-four million, two hundred eighty-eight thousand, seven hundred forty-eight".
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