Base | Representation |
---|---|
bin | 110001100000010… |
… | …011010011010001 |
3 | 2010212211101010101 |
4 | 301200103103101 |
5 | 3200110114444 |
6 | 214225332401 |
7 | 26403366133 |
oct | 6140232321 |
9 | 2125741111 |
10 | 830551249 |
11 | 3969084a0 |
12 | 1b2197101 |
13 | 1030bba58 |
14 | 7c43d053 |
15 | 4cdae3d4 |
hex | 318134d1 |
830551249 has 4 divisors (see below), whose sum is σ = 906055920. Its totient is φ = 755046580.
The previous prime is 830551231. The next prime is 830551259. The reversal of 830551249 is 942155038.
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.
It is a cyclic number.
It is not a de Polignac number, because 830551249 - 27 = 830551121 is a prime.
It is not an unprimeable number, because it can be changed into a prime (830551259) 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, 37752319 + ... + 37752340.
It is an arithmetic number, because the mean of its divisors is an integer number (226513980).
Almost surely, 2830551249 is an apocalyptic number.
It is an amenable number.
830551249 is a deficient number, since it is larger than the sum of its proper divisors (75504671).
830551249 is a wasteful number, since it uses less digits than its factorization.
830551249 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 75504670.
The product of its (nonzero) digits is 43200, while the sum is 37.
The square root of 830551249 is about 28819.2860598593. The cubic root of 830551249 is about 939.9876446995.
The spelling of 830551249 in words is "eight hundred thirty million, five hundred fifty-one thousand, two hundred forty-nine".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.068 sec. • engine limits •