Base | Representation |
---|---|
bin | 1000111110010… |
… | …00111101000001 |
3 | 12020122012202220 |
4 | 10133020331001 |
5 | 123232201001 |
6 | 11245201253 |
7 | 1602541620 |
oct | 437107501 |
9 | 166565686 |
10 | 75272001 |
11 | 39541a72 |
12 | 21260229 |
13 | 1279635c |
14 | 9dd56b7 |
15 | 691cc36 |
hex | 47c8f41 |
75272001 has 8 divisors (see below), whose sum is σ = 114700224. Its totient is φ = 43012560.
The previous prime is 75271997. The next prime is 75272009. The reversal of 75272001 is 10027257.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 75272001 - 22 = 75271997 is a prime.
It is not an unprimeable number, because it can be changed into a prime (75272009) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1792170 + ... + 1792211.
It is an arithmetic number, because the mean of its divisors is an integer number (14337528).
Almost surely, 275272001 is an apocalyptic number.
It is an amenable number.
75272001 is a deficient number, since it is larger than the sum of its proper divisors (39428223).
75272001 is a wasteful number, since it uses less digits than its factorization.
75272001 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3584391.
The product of its (nonzero) digits is 980, while the sum is 24.
The square root of 75272001 is about 8675.9438103298. The cubic root of 75272001 is about 422.2255276467.
Adding to 75272001 its reverse (10027257), we get a palindrome (85299258).
The spelling of 75272001 in words is "seventy-five million, two hundred seventy-two thousand, one".
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