Base | Representation |
---|---|
bin | 1000110010001… |
… | …11011110011001 |
3 | 12010122222220101 |
4 | 10121013132121 |
5 | 122331134311 |
6 | 11151255401 |
7 | 1553244430 |
oct | 431073631 |
9 | 163588811 |
10 | 73693081 |
11 | 38663780 |
12 | 2081a561 |
13 | 12362797 |
14 | 9b04117 |
15 | 6709ec1 |
hex | 4647799 |
73693081 has 16 divisors (see below), whose sum is σ = 95874048. Its totient is φ = 54925200.
The previous prime is 73693073. The next prime is 73693091. The reversal of 73693081 is 18039637.
It is not a de Polignac number, because 73693081 - 23 = 73693073 is a prime.
It is a super-2 number, since 2×736930812 = 10861340374545122, which contains 22 as substring.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 73693081.
It is not an unprimeable number, because it can be changed into a prime (73693091) 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, 19035 + ... + 22576.
It is an arithmetic number, because the mean of its divisors is an integer number (5992128).
Almost surely, 273693081 is an apocalyptic number.
It is an amenable number.
73693081 is a deficient number, since it is larger than the sum of its proper divisors (22180967).
73693081 is a wasteful number, since it uses less digits than its factorization.
73693081 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 41652.
The product of its (nonzero) digits is 27216, while the sum is 37.
The square root of 73693081 is about 8584.4674266957. The cubic root of 73693081 is about 419.2524134958.
The spelling of 73693081 in words is "seventy-three million, six hundred ninety-three thousand, eighty-one".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.067 sec. • engine limits •