Base | Representation |
---|---|
bin | 1000111111101… |
… | …00111101011101 |
3 | 12020222101000220 |
4 | 10133310331131 |
5 | 123303433003 |
6 | 11253111553 |
7 | 1604222262 |
oct | 437647535 |
9 | 166871026 |
10 | 75452253 |
11 | 39655438 |
12 | 213285b9 |
13 | 1282a406 |
14 | a041269 |
15 | 6956353 |
hex | 47f4f5d |
75452253 has 4 divisors (see below), whose sum is σ = 100603008. Its totient is φ = 50301500.
The previous prime is 75452207. The next prime is 75452257. The reversal of 75452253 is 35225457.
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: 35225457 = 3 ⋅11741819.
It is a cyclic number.
It is not a de Polignac number, because 75452253 - 212 = 75448157 is a prime.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75452257) 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, 12575373 + ... + 12575378.
It is an arithmetic number, because the mean of its divisors is an integer number (25150752).
Almost surely, 275452253 is an apocalyptic number.
It is an amenable number.
75452253 is a deficient number, since it is larger than the sum of its proper divisors (25150755).
75452253 is a wasteful number, since it uses less digits than its factorization.
75452253 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 25150754.
The product of its digits is 42000, while the sum is 33.
The square root of 75452253 is about 8686.3256328554. The cubic root of 75452253 is about 422.5622899885.
The spelling of 75452253 in words is "seventy-five million, four hundred fifty-two thousand, two hundred fifty-three".
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