Base | Representation |
---|---|
bin | 111010000100011… |
… | …111111110100001 |
3 | 2111220020102211122 |
4 | 322010133332201 |
5 | 3443402224311 |
6 | 240401422025 |
7 | 33100025366 |
oct | 7204377641 |
9 | 2456212748 |
10 | 974258081 |
11 | 45aa41575 |
12 | 23233a915 |
13 | 126ac6394 |
14 | 9356a46d |
15 | 5a7e90db |
hex | 3a11ffa1 |
974258081 has 4 divisors (see below), whose sum is σ = 1016617152. Its totient is φ = 931899012.
The previous prime is 974258071. The next prime is 974258119. The reversal of 974258081 is 180852479.
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: 180852479 = 8209 ⋅22031.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-974258081 is a prime.
It is a super-2 number, since 2×9742580812 = 1898357616787605122, which contains 22 as substring.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (974258011) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (17) of ones.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21179501 + ... + 21179546.
It is an arithmetic number, because the mean of its divisors is an integer number (254154288).
Almost surely, 2974258081 is an apocalyptic number.
It is an amenable number.
974258081 is a deficient number, since it is larger than the sum of its proper divisors (42359071).
974258081 is a wasteful number, since it uses less digits than its factorization.
974258081 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 42359070.
The product of its (nonzero) digits is 161280, while the sum is 44.
The square root of 974258081 is about 31213.1075191177. The cubic root of 974258081 is about 991.3446615882.
The spelling of 974258081 in words is "nine hundred seventy-four million, two hundred fifty-eight thousand, eighty-one".
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