Base | Representation |
---|---|
bin | 101101000000000… |
… | …111011001111001 |
3 | 1221121200020012222 |
4 | 231000013121321 |
5 | 3021240130144 |
6 | 202530213425 |
7 | 24465302621 |
oct | 5500073171 |
9 | 1847606188 |
10 | 755005049 |
11 | 3581a9517 |
12 | 190a24275 |
13 | c055a966 |
14 | 723b5881 |
15 | 4643a2ee |
hex | 2d007679 |
755005049 has 4 divisors (see below), whose sum is σ = 760436880. Its totient is φ = 749573220.
The previous prime is 755005021. The next prime is 755005057. The reversal of 755005049 is 940500557.
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: 940500557 = 1789 ⋅525713.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-755005049 is a prime.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (755005019) 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, 2715707 + ... + 2715984.
It is an arithmetic number, because the mean of its divisors is an integer number (190109220).
Almost surely, 2755005049 is an apocalyptic number.
It is an amenable number.
755005049 is a deficient number, since it is larger than the sum of its proper divisors (5431831).
755005049 is a wasteful number, since it uses less digits than its factorization.
755005049 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 5431830.
The product of its (nonzero) digits is 31500, while the sum is 35.
The square root of 755005049 is about 27477.3552038765. The cubic root of 755005049 is about 910.5768789169.
The spelling of 755005049 in words is "seven hundred fifty-five million, five thousand, forty-nine".
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