Base | Representation |
---|---|
bin | 1110110100101… |
… | …00100000100101 |
3 | 22122222010202212 |
4 | 13122110200211 |
5 | 223312342021 |
6 | 20201013205 |
7 | 3036606023 |
oct | 732244045 |
9 | 278863685 |
10 | 124340261 |
11 | 64206751 |
12 | 35784205 |
13 | 1c9b6626 |
14 | 12729713 |
15 | adb185b |
hex | 7694825 |
124340261 has 8 divisors (see below), whose sum is σ = 132934464. Its totient is φ = 115888320.
The previous prime is 124340207. The next prime is 124340269. The reversal of 124340261 is 162043421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 124340261 - 218 = 124078117 is a prime.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124340269) by changing a digit.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33755 + ... + 37256.
It is an arithmetic number, because the mean of its divisors is an integer number (16616808).
Almost surely, 2124340261 is an apocalyptic number.
It is an amenable number.
124340261 is a deficient number, since it is larger than the sum of its proper divisors (8594203).
124340261 is a wasteful number, since it uses less digits than its factorization.
124340261 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 71131.
The product of its (nonzero) digits is 1152, while the sum is 23.
The square root of 124340261 is about 11150.7964289552. The cubic root of 124340261 is about 499.1187958709.
Adding to 124340261 its reverse (162043421), we get a palindrome (286383682).
The spelling of 124340261 in words is "one hundred twenty-four million, three hundred forty thousand, two hundred sixty-one".
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