Base | Representation |
---|---|
bin | 1110100110100… |
… | …11010101001110 |
3 | 22112111122222222 |
4 | 13103103111032 |
5 | 222330003210 |
6 | 20053335342 |
7 | 3015144053 |
oct | 723232516 |
9 | 275448888 |
10 | 122500430 |
11 | 6316a428 |
12 | 35037552 |
13 | 1c4c1080 |
14 | 123ab02a |
15 | ab4b655 |
hex | 74d354e |
122500430 has 16 divisors (see below), whose sum is σ = 237462624. Its totient is φ = 45230880.
The previous prime is 122500423. The next prime is 122500439. The reversal of 122500430 is 34005221.
It is a junction number, because it is equal to n+sod(n) for n = 122500399 and 122500408.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (122500439) 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, 471026 + ... + 471285.
It is an arithmetic number, because the mean of its divisors is an integer number (14841414).
Almost surely, 2122500430 is an apocalyptic number.
122500430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
122500430 is a deficient number, since it is larger than the sum of its proper divisors (114962194).
122500430 is a wasteful number, since it uses less digits than its factorization.
122500430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 942331.
The product of its (nonzero) digits is 240, while the sum is 17.
The square root of 122500430 is about 11067.9912359922. The cubic root of 122500430 is about 496.6447752964.
Adding to 122500430 its reverse (34005221), we get a palindrome (156505651).
The spelling of 122500430 in words is "one hundred twenty-two million, five hundred thousand, four hundred thirty".
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