Base | Representation |
---|---|
bin | 1000111011110… |
… | …11110001111001 |
3 | 12020001011011100 |
4 | 10131323301321 |
5 | 123142042042 |
6 | 11234322013 |
7 | 1600054212 |
oct | 435736171 |
9 | 166034140 |
10 | 74955897 |
11 | 39346525 |
12 | 21129309 |
13 | 126b5503 |
14 | 9d52409 |
15 | 68a924c |
hex | 477bc79 |
74955897 has 12 divisors (see below), whose sum is σ = 108725760. Its totient is φ = 49760088.
The previous prime is 74955887. The next prime is 74955899. The reversal of 74955897 is 79855947.
It is not a de Polignac number, because 74955897 - 218 = 74693753 is a prime.
It is not an unprimeable number, because it can be changed into a prime (74955899) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15273 + ... + 19574.
It is an arithmetic number, because the mean of its divisors is an integer number (9060480).
Almost surely, 274955897 is an apocalyptic number.
It is an amenable number.
74955897 is a deficient number, since it is larger than the sum of its proper divisors (33769863).
74955897 is a wasteful number, since it uses less digits than its factorization.
74955897 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 35092 (or 35089 counting only the distinct ones).
The product of its digits is 3175200, while the sum is 54.
The square root of 74955897 is about 8657.7073755123. The cubic root of 74955897 is about 421.6336544186.
The spelling of 74955897 in words is "seventy-four million, nine hundred fifty-five thousand, eight hundred ninety-seven".
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