Base | Representation |
---|---|
bin | 1001111100001… |
… | …01101110010101 |
3 | 12210220102001010 |
4 | 10332011232111 |
5 | 132321311422 |
6 | 12135122433 |
7 | 2031522435 |
oct | 476055625 |
9 | 183812033 |
10 | 83385237 |
11 | 43083621 |
12 | 23b13419 |
13 | 143771a0 |
14 | b1082c5 |
15 | 74c1b0c |
hex | 4f85b95 |
83385237 has 16 divisors (see below), whose sum is σ = 123863040. Its totient is φ = 49543872.
The previous prime is 83385233. The next prime is 83385241. The reversal of 83385237 is 73258338.
It is an interprime number because it is at equal distance from previous prime (83385233) and next prime (83385241).
It is not a de Polignac number, because 83385237 - 22 = 83385233 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (39).
It is a junction number, because it is equal to n+sod(n) for n = 83385195 and 83385204.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (83385233) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 35733 + ... + 37994.
It is an arithmetic number, because the mean of its divisors is an integer number (7741440).
Almost surely, 283385237 is an apocalyptic number.
83385237 is a gapful number since it is divisible by the number (87) formed by its first and last digit.
It is an amenable number.
83385237 is a deficient number, since it is larger than the sum of its proper divisors (40477803).
83385237 is a wasteful number, since it uses less digits than its factorization.
83385237 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 73772.
The product of its digits is 120960, while the sum is 39.
The square root of 83385237 is about 9131.5517301278. The cubic root of 83385237 is about 436.8808976058.
The spelling of 83385237 in words is "eighty-three million, three hundred eighty-five thousand, two hundred thirty-seven".
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