Base | Representation |
---|---|
bin | 1110110011110… |
… | …01000111101111 |
3 | 22122202102212222 |
4 | 13121321013233 |
5 | 223300244304 |
6 | 20154345555 |
7 | 3035630663 |
oct | 731710757 |
9 | 278672788 |
10 | 124228079 |
11 | 6413a438 |
12 | 3572b2bb |
13 | 1c977551 |
14 | 126da8a3 |
15 | ad8d4be |
hex | 76791ef |
124228079 has 4 divisors (see below), whose sum is σ = 124273776. Its totient is φ = 124182384.
The previous prime is 124228043. The next prime is 124228087. The reversal of 124228079 is 970822421.
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 124228079 - 220 = 123179503 is a prime.
It is a super-2 number, since 2×1242280792 = 30865231224060482, 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 (124221079) 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, 18494 + ... + 24299.
It is an arithmetic number, because the mean of its divisors is an integer number (31068444).
Almost surely, 2124228079 is an apocalyptic number.
124228079 is a deficient number, since it is larger than the sum of its proper divisors (45697).
124228079 is an equidigital number, since it uses as much as digits as its factorization.
124228079 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 45696.
The product of its (nonzero) digits is 16128, while the sum is 35.
The square root of 124228079 is about 11145.7650701959. The cubic root of 124228079 is about 498.9686460809.
The spelling of 124228079 in words is "one hundred twenty-four million, two hundred twenty-eight thousand, seventy-nine".
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