Base | Representation |
---|---|
bin | 1110111000110… |
… | …11000100001001 |
3 | 22201000010210110 |
4 | 13130123010021 |
5 | 223433011101 |
6 | 20220504533 |
7 | 3044362605 |
oct | 734330411 |
9 | 281003713 |
10 | 124891401 |
11 | 64552838 |
12 | 359ab149 |
13 | 1cb4a44b |
14 | 12830505 |
15 | ae6ecd6 |
hex | 771b109 |
124891401 has 8 divisors (see below), whose sum is σ = 176317344. Its totient is φ = 78363200.
The previous prime is 124891397. The next prime is 124891409. The reversal of 124891401 is 104198421.
It is a sphenic number, since it is the product of 3 distinct primes.
It is not a de Polignac number, because 124891401 - 22 = 124891397 is a prime.
It is a Curzon number.
It is not an unprimeable number, because it can be changed into a prime (124891409) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (13) of ones.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1224375 + ... + 1224476.
It is an arithmetic number, because the mean of its divisors is an integer number (22039668).
Almost surely, 2124891401 is an apocalyptic number.
It is an amenable number.
124891401 is a deficient number, since it is larger than the sum of its proper divisors (51425943).
124891401 is a wasteful number, since it uses less digits than its factorization.
124891401 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 2448871.
The product of its (nonzero) digits is 2304, while the sum is 30.
The square root of 124891401 is about 11175.4821372503. The cubic root of 124891401 is about 499.8551593798.
The spelling of 124891401 in words is "one hundred twenty-four million, eight hundred ninety-one thousand, four hundred one".
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