Base | Representation |
---|---|
bin | 1000111000101… |
… | …11011111101010 |
3 | 12012021021200202 |
4 | 10130113133222 |
5 | 123040421010 |
6 | 11221432202 |
7 | 1563423512 |
oct | 434273752 |
9 | 165237622 |
10 | 74545130 |
11 | 39095950 |
12 | 20b6b662 |
13 | 125a055a |
14 | 9c86842 |
15 | 68276a5 |
hex | 47177ea |
74545130 has 16 divisors (see below), whose sum is σ = 146379744. Its totient is φ = 27107280.
The previous prime is 74545129. The next prime is 74545183. The reversal of 74545130 is 3154547.
It is a junction number, because it is equal to n+sod(n) for n = 74545093 and 74545102.
It is an unprimeable number.
It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 338732 + ... + 338951.
It is an arithmetic number, because the mean of its divisors is an integer number (9148734).
Almost surely, 274545130 is an apocalyptic number.
74545130 is a deficient number, since it is larger than the sum of its proper divisors (71834614).
74545130 is a wasteful number, since it uses less digits than its factorization.
74545130 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 677701.
The product of its (nonzero) digits is 8400, while the sum is 29.
The square root of 74545130 is about 8633.9521657234. The cubic root of 74545130 is about 420.8620427647.
Adding to 74545130 its reverse (3154547), we get a palindrome (77699677).
The spelling of 74545130 in words is "seventy-four million, five hundred forty-five thousand, one hundred thirty".
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