Base | Representation |
---|---|
bin | 1110110011001… |
… | …00010111111100 |
3 | 22122121010022121 |
4 | 13121210113330 |
5 | 223240034400 |
6 | 20152452324 |
7 | 3035125144 |
oct | 731442774 |
9 | 278533277 |
10 | 124143100 |
11 | 64091604 |
12 | 356aa0a4 |
13 | 1c947973 |
14 | 126b7924 |
15 | ad7321a |
hex | 76645fc |
124143100 has 36 divisors (see below), whose sum is σ = 272654424. Its totient is φ = 49055680.
The previous prime is 124143083. The next prime is 124143109. The reversal of 124143100 is 1341421.
It is a super-2 number, since 2×1241431002 = 30823018555220000, which contains 22 as substring.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (124143109) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 822 + ... + 15778.
It is an arithmetic number, because the mean of its divisors is an integer number (7573734).
Almost surely, 2124143100 is an apocalyptic number.
124143100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 124143100, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (136327212).
124143100 is an abundant number, since it is smaller than the sum of its proper divisors (148511324).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
124143100 is a wasteful number, since it uses less digits than its factorization.
124143100 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 15054 (or 15047 counting only the distinct ones).
The product of its (nonzero) digits is 96, while the sum is 16.
The square root of 124143100 is about 11141.9522526351. The cubic root of 124143100 is about 498.8548459132.
Adding to 124143100 its reverse (1341421), we get a palindrome (125484521).
The spelling of 124143100 in words is "one hundred twenty-four million, one hundred forty-three thousand, one hundred".
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