Base | Representation |
---|---|
bin | 1001001010010… |
… | …10100010010101 |
3 | 12100121110020021 |
4 | 10211022202111 |
5 | 124133220344 |
6 | 11343105141 |
7 | 1622140261 |
oct | 445124225 |
9 | 170543207 |
10 | 76851349 |
11 | 3a420613 |
12 | 218a21b1 |
13 | 12bca193 |
14 | a2c70a1 |
15 | 6b30b84 |
hex | 494a895 |
76851349 has 4 divisors (see below), whose sum is σ = 80192736. Its totient is φ = 73509964.
The previous prime is 76851329. The next prime is 76851361. The reversal of 76851349 is 94315867.
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 76851349 - 25 = 76851317 is a prime.
It is a super-2 number, since 2×768513492 = 11812259686239602, which contains 22 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (76851319) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (11) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1670659 + ... + 1670704.
It is an arithmetic number, because the mean of its divisors is an integer number (20048184).
Almost surely, 276851349 is an apocalyptic number.
It is an amenable number.
76851349 is a deficient number, since it is larger than the sum of its proper divisors (3341387).
76851349 is a wasteful number, since it uses less digits than its factorization.
76851349 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 3341386.
The product of its digits is 181440, while the sum is 43.
The square root of 76851349 is about 8766.4901186279. The cubic root of 76851349 is about 425.1581399963.
The spelling of 76851349 in words is "seventy-six million, eight hundred fifty-one thousand, three hundred forty-nine".
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