Base | Representation |
---|---|
bin | 1010000000001… |
… | …11000101000011 |
3 | 12211220022211202 |
4 | 11000013011003 |
5 | 132440240300 |
6 | 12154331415 |
7 | 2036160236 |
oct | 500070503 |
9 | 184808752 |
10 | 83915075 |
11 | 43405702 |
12 | 24129b6b |
13 | 145013ba |
14 | b20541d |
15 | 7578ad5 |
hex | 5007143 |
83915075 has 24 divisors (see below), whose sum is σ = 108253488. Its totient is φ = 64471680.
The previous prime is 83915053. The next prime is 83915089. The reversal of 83915075 is 57051938.
It is not a de Polignac number, because 83915075 - 214 = 83898691 is a prime.
It is a Duffinian number.
It is an unprimeable number.
It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 76229 + ... + 77321.
It is an arithmetic number, because the mean of its divisors is an integer number (4510562).
Almost surely, 283915075 is an apocalyptic number.
83915075 is a deficient number, since it is larger than the sum of its proper divisors (24338413).
83915075 is a wasteful number, since it uses less digits than its factorization.
83915075 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 1223 (or 1218 counting only the distinct ones).
The product of its (nonzero) digits is 37800, while the sum is 38.
The square root of 83915075 is about 9160.5171797230. The cubic root of 83915075 is about 437.8042726890.
It can be divided in two parts, 83 and 915075, that multiplied together give a square (75951225 = 87152).
The spelling of 83915075 in words is "eighty-three million, nine hundred fifteen thousand, seventy-five".
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