Base | Representation |
---|---|
bin | 1000110010000… |
… | …11000010000001 |
3 | 12010122001221022 |
4 | 10121003002001 |
5 | 122330044011 |
6 | 11151035225 |
7 | 1553140400 |
oct | 431030201 |
9 | 163561838 |
10 | 73674881 |
11 | 38651035 |
12 | 2080bb15 |
13 | 12357407 |
14 | 9adb637 |
15 | 67048db |
hex | 4643081 |
73674881 has 12 divisors (see below), whose sum is σ = 88021908. Its totient is φ = 61441632.
The previous prime is 73674869. The next prime is 73674899. The reversal of 73674881 is 18847637.
It can be written as a sum of positive squares in 2 ways, for example, as 26615281 + 47059600 = 5159^2 + 6860^2 .
It is a de Polignac number, because none of the positive numbers 2k-73674881 is a prime.
It is a super-2 number, since 2×736748812 = 10855976180728322, which contains 22 as substring.
It is a Smith number, since the sum of its digits (44) coincides with the sum of the digits of its prime factors.
It is a Duffinian number.
It is not an unprimeable number, because it can be changed into a prime (73644881) by changing a digit.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18506 + ... + 22131.
It is an arithmetic number, because the mean of its divisors is an integer number (7335159).
Almost surely, 273674881 is an apocalyptic number.
It is an amenable number.
73674881 is a deficient number, since it is larger than the sum of its proper divisors (14347027).
73674881 is a wasteful number, since it uses less digits than its factorization.
73674881 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 40688 (or 40681 counting only the distinct ones).
The product of its digits is 225792, while the sum is 44.
The square root of 73674881 is about 8583.4073071246. The cubic root of 73674881 is about 419.2178963604.
The spelling of 73674881 in words is "seventy-three million, six hundred seventy-four thousand, eight hundred eighty-one".
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