Base | Representation |
---|---|
bin | 110011111111000… |
… | …110101000000110 |
3 | 2020210011100100111 |
4 | 303333012220012 |
5 | 3241234231410 |
6 | 222313503234 |
7 | 30420260335 |
oct | 6377065006 |
9 | 2223140314 |
10 | 872180230 |
11 | 408360a09 |
12 | 204111b1a |
13 | 10b905b9c |
14 | 83b97d1c |
15 | 51883b8a |
hex | 33fc6a06 |
872180230 has 16 divisors (see below), whose sum is σ = 1573770240. Its totient is φ = 348017472.
The previous prime is 872180203. The next prime is 872180233. The reversal of 872180230 is 32081278.
It is a junction number, because it is equal to n+sod(n) for n = 872180192 and 872180201.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (872180233) 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, 102534 + ... + 110713.
It is an arithmetic number, because the mean of its divisors is an integer number (98360640).
Almost surely, 2872180230 is an apocalyptic number.
872180230 is a deficient number, since it is larger than the sum of its proper divisors (701590010).
872180230 is a wasteful number, since it uses less digits than its factorization.
872180230 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 213663.
The product of its (nonzero) digits is 5376, while the sum is 31.
The square root of 872180230 is about 29532.6976417665. The cubic root of 872180230 is about 955.4370522225.
The spelling of 872180230 in words is "eight hundred seventy-two million, one hundred eighty thousand, two hundred thirty".
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