Base | Representation |
---|---|
bin | 1000111101111… |
… | …10011110000101 |
3 | 12020120000212112 |
4 | 10132332132011 |
5 | 123224312221 |
6 | 11244230405 |
7 | 1602302465 |
oct | 436763605 |
9 | 166500775 |
10 | 75229061 |
11 | 39512786 |
12 | 2123b405 |
13 | 1277c94b |
14 | 9dc3ba5 |
15 | 691015b |
hex | 47be785 |
75229061 has 4 divisors (see below), whose sum is σ = 75246624. Its totient is φ = 75211500.
The previous prime is 75229031. The next prime is 75229069. The reversal of 75229061 is 16092257.
It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 16092257 = 227 ⋅70891.
It is a cyclic number.
It is not a de Polignac number, because 75229061 - 210 = 75228037 is a prime.
It is a Duffinian number.
It is a Curzon number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75229069) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2336 + ... + 12486.
It is an arithmetic number, because the mean of its divisors is an integer number (18811656).
Almost surely, 275229061 is an apocalyptic number.
It is an amenable number.
75229061 is a deficient number, since it is larger than the sum of its proper divisors (17563).
75229061 is a wasteful number, since it uses less digits than its factorization.
75229061 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 17562.
The product of its (nonzero) digits is 7560, while the sum is 32.
The square root of 75229061 is about 8673.4687985834. The cubic root of 75229061 is about 422.1452241581.
The spelling of 75229061 in words is "seventy-five million, two hundred twenty-nine thousand, sixty-one".
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