Base | Representation |
---|---|
bin | 111100100010… |
… | …1010111110110 |
3 | 2012201122001112 |
4 | 1321011113312 |
5 | 31111211210 |
6 | 3052155022 |
7 | 533540420 |
oct | 171052766 |
9 | 65648045 |
10 | 31741430 |
11 | 16a0a896 |
12 | a768a72 |
13 | 6764816 |
14 | 4303810 |
15 | 2bbed05 |
hex | 1e455f6 |
31741430 has 32 divisors (see below), whose sum is σ = 65572416. Its totient is φ = 10836864.
The previous prime is 31741429. The next prime is 31741447. The reversal of 31741430 is 3414713.
It is a junction number, because it is equal to n+sod(n) for n = 31741396 and 31741405.
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, 18572 + ... + 20208.
It is an arithmetic number, because the mean of its divisors is an integer number (2049138).
Almost surely, 231741430 is an apocalyptic number.
31741430 is an abundant number, since it is smaller than the sum of its proper divisors (33830986).
31741430 is a wasteful number, since it uses less digits than its factorization.
31741430 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1928.
The product of its (nonzero) digits is 1008, while the sum is 23.
The square root of 31741430 is about 5633.9533189404. The cubic root of 31741430 is about 316.6227837005.
The spelling of 31741430 in words is "thirty-one million, seven hundred forty-one thousand, four hundred thirty".
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