Base | Representation |
---|---|
bin | 1110110011110… |
… | …11100111010010 |
3 | 22122202221220011 |
4 | 13121323213102 |
5 | 223301111130 |
6 | 20154505134 |
7 | 3036002521 |
oct | 731734722 |
9 | 278687804 |
10 | 124238290 |
11 | 64147080 |
12 | 357351aa |
13 | 1c97c0a7 |
14 | 127004b8 |
15 | ad9152a |
hex | 767b9d2 |
124238290 has 16 divisors (see below), whose sum is σ = 243959040. Its totient is φ = 45177520.
The previous prime is 124238263. The next prime is 124238299. The reversal of 124238290 is 92832421.
It is not an unprimeable number, because it can be changed into a prime (124238299) 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 7 ways as a sum of consecutive naturals, for example, 564610 + ... + 564829.
It is an arithmetic number, because the mean of its divisors is an integer number (15247440).
Almost surely, 2124238290 is an apocalyptic number.
124238290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
124238290 is a deficient number, since it is larger than the sum of its proper divisors (119720750).
124238290 is a wasteful number, since it uses less digits than its factorization.
124238290 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1129457.
The product of its (nonzero) digits is 6912, while the sum is 31.
The square root of 124238290 is about 11146.2231271404. The cubic root of 124238290 is about 498.9823167134.
The spelling of 124238290 in words is "one hundred twenty-four million, two hundred thirty-eight thousand, two hundred ninety".
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