Base | Representation |
---|---|
bin | 1001111110010… |
… | …11110000101011 |
3 | 12211102222112221 |
4 | 10333023300223 |
5 | 132410001412 |
6 | 12145214511 |
7 | 2034126001 |
oct | 477136053 |
9 | 184388487 |
10 | 83672107 |
11 | 4325a102 |
12 | 24031437 |
13 | 1444792c |
14 | b180a71 |
15 | 752bb07 |
hex | 4fcbc2b |
83672107 has 4 divisors (see below), whose sum is σ = 85250880. Its totient is φ = 82093336.
The previous prime is 83672081. The next prime is 83672111. The reversal of 83672107 is 70127638.
It is a semiprime because it is the product of two primes.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-83672107 is a prime.
It is an alternating number because its digits alternate between even and odd.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (83672507) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789307 + ... + 789412.
It is an arithmetic number, because the mean of its divisors is an integer number (21312720).
Almost surely, 283672107 is an apocalyptic number.
83672107 is a deficient number, since it is larger than the sum of its proper divisors (1578773).
83672107 is a wasteful number, since it uses less digits than its factorization.
83672107 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 1578772.
The product of its (nonzero) digits is 14112, while the sum is 34.
The square root of 83672107 is about 9147.2458696593. The cubic root of 83672107 is about 437.3813242192.
The spelling of 83672107 in words is "eighty-three million, six hundred seventy-two thousand, one hundred seven".
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