Base | Representation |
---|---|
bin | 1110011111110… |
… | …01010100000110 |
3 | 22110211022000220 |
4 | 13033321110012 |
5 | 222112414210 |
6 | 20022245210 |
7 | 3004434420 |
oct | 717712406 |
9 | 273738026 |
10 | 121607430 |
11 | 6270a50a |
12 | 34886806 |
13 | 1c26a779 |
14 | 12217810 |
15 | aa21c70 |
hex | 73f9506 |
121607430 has 32 divisors (see below), whose sum is σ = 333552384. Its totient is φ = 27795936.
The previous prime is 121607407. The next prime is 121607449. The reversal of 121607430 is 34706121.
It is a self number, because there is not a number n which added to its sum of digits gives 121607430.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 289332 + ... + 289751.
It is an arithmetic number, because the mean of its divisors is an integer number (10423512).
Almost surely, 2121607430 is an apocalyptic number.
121607430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
121607430 is an abundant number, since it is smaller than the sum of its proper divisors (211944954).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
121607430 is a wasteful number, since it uses less digits than its factorization.
121607430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 579100.
The product of its (nonzero) digits is 1008, while the sum is 24.
The square root of 121607430 is about 11027.5758895598. The cubic root of 121607430 is about 495.4350221269.
The spelling of 121607430 in words is "one hundred twenty-one million, six hundred seven thousand, four hundred thirty".
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