Base | Representation |
---|---|
bin | 1000111110001… |
… | …11110010011001 |
3 | 12020121222020000 |
4 | 10133013302121 |
5 | 123232022400 |
6 | 11245123213 |
7 | 1602521655 |
oct | 437076231 |
9 | 166558200 |
10 | 75267225 |
11 | 39539420 |
12 | 21259509 |
13 | 12794127 |
14 | 9dd3a65 |
15 | 691b600 |
hex | 47c7c99 |
75267225 has 120 divisors (see below), whose sum is σ = 158442240. Its totient is φ = 34992000.
The previous prime is 75267193. The next prime is 75267233. The reversal of 75267225 is 52276257.
It is not a de Polignac number, because 75267225 - 25 = 75267193 is a prime.
It is a Curzon number.
It is a self number, because there is not a number n which added to its sum of digits gives 75267225.
It is an unprimeable number.
It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 690471 + ... + 690579.
It is an arithmetic number, because the mean of its divisors is an integer number (1320352).
Almost surely, 275267225 is an apocalyptic number.
75267225 is a gapful number since it is divisible by the number (75) formed by its first and last digit.
It is an amenable number.
75267225 is an abundant number, since it is smaller than the sum of its proper divisors (83175015).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
75267225 is a wasteful number, since it uses less digits than its factorization.
75267225 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 173 (or 159 counting only the distinct ones).
The product of its digits is 58800, while the sum is 36.
The square root of 75267225 is about 8675.6685621340. The cubic root of 75267225 is about 422.2165974038.
The spelling of 75267225 in words is "seventy-five million, two hundred sixty-seven thousand, two hundred twenty-five".
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