Base | Representation |
---|---|
bin | 1101011111011000… |
… | …01001010001101011 |
3 | 200200202010210011111 |
4 | 12233230021101223 |
5 | 104313043134202 |
6 | 3154401011151 |
7 | 344322452125 |
oct | 65754112153 |
9 | 20622123144 |
10 | 7242552427 |
11 | 3087260920 |
12 | 14a1623ab7 |
13 | 8b563b7a6 |
14 | 4c9c58215 |
15 | 2c5c7b6d7 |
hex | 1afb0946b |
7242552427 has 4 divisors (see below), whose sum is σ = 7900966296. Its totient is φ = 6584138560.
The previous prime is 7242552407. The next prime is 7242552469.
7242552427 is nontrivially palindromic in base 10.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is not a de Polignac number, because 7242552427 - 223 = 7234163819 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 7242552427.
It is not an unprimeable number, because it can be changed into a prime (7242552407) 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, 329206918 + ... + 329206939.
It is an arithmetic number, because the mean of its divisors is an integer number (1975241574).
Almost surely, 27242552427 is an apocalyptic number.
7242552427 is a deficient number, since it is larger than the sum of its proper divisors (658413869).
7242552427 is a wasteful number, since it uses less digits than its factorization.
7242552427 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 658413868.
The product of its digits is 313600, while the sum is 40.
The square root of 7242552427 is about 85103.1869379755. The cubic root of 7242552427 is about 1934.7753659826.
The spelling of 7242552427 in words is "seven billion, two hundred forty-two million, five hundred fifty-two thousand, four hundred twenty-seven".
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