Base | Representation |
---|---|
bin | 1000111011011… |
… | …00001010110000 |
3 | 12012220220110000 |
4 | 10131230022300 |
5 | 123133020302 |
6 | 11233110000 |
7 | 1566366612 |
oct | 435541260 |
9 | 165826400 |
10 | 74891952 |
11 | 39302483 |
12 | 210b8300 |
13 | 12692385 |
14 | 9d36db2 |
15 | 689531c |
hex | 476c2b0 |
74891952 has 50 divisors (see below), whose sum is σ = 216762788. Its totient is φ = 24963552.
The previous prime is 74891951. The next prime is 74892011. The reversal of 74891952 is 25919847.
It is a junction number, because it is equal to n+sod(n) for n = 74891898 and 74891907.
It is not an unprimeable number, because it can be changed into a prime (74891951) by changing a digit.
It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 27598 + ... + 30189.
Almost surely, 274891952 is an apocalyptic number.
74891952 is a gapful number since it is divisible by the number (72) formed by its first and last digit.
It is an amenable number.
74891952 is an abundant number, since it is smaller than the sum of its proper divisors (141870836).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
74891952 is a wasteful number, since it uses less digits than its factorization.
74891952 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 57807 (or 57792 counting only the distinct ones).
The product of its digits is 181440, while the sum is 45.
The square root of 74891952 is about 8654.0136353024. The cubic root of 74891952 is about 421.5137215173.
The spelling of 74891952 in words is "seventy-four million, eight hundred ninety-one thousand, nine hundred fifty-two".
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