Base | Representation |
---|---|
bin | 1001000010010… |
… | …00101000000101 |
3 | 12021121210010100 |
4 | 10201020220011 |
5 | 123400414244 |
6 | 11304314313 |
7 | 1610150346 |
oct | 441105005 |
9 | 167553110 |
10 | 75794949 |
11 | 3986995a |
12 | 21472999 |
13 | 1291a3a9 |
14 | a0d00cd |
15 | 69c2b69 |
hex | 4848a05 |
75794949 has 12 divisors (see below), whose sum is σ = 109608876. Its totient is φ = 50471232.
The previous prime is 75794941. The next prime is 75794963. The reversal of 75794949 is 94949757.
It can be written as a sum of positive squares in 2 ways, for example, as 61732449 + 14062500 = 7857^2 + 3750^2 .
It is not a de Polignac number, because 75794949 - 23 = 75794941 is a prime.
It is a junction number, because it is equal to n+sod(n) for n = 75794895 and 75794904.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75794941) 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, 4159 + ... + 12995.
It is an arithmetic number, because the mean of its divisors is an integer number (9134073).
Almost surely, 275794949 is an apocalyptic number.
It is an amenable number.
75794949 is a deficient number, since it is larger than the sum of its proper divisors (33813927).
75794949 is a wasteful number, since it uses less digits than its factorization.
75794949 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 9796 (or 9793 counting only the distinct ones).
The product of its digits is 2857680, while the sum is 54.
The square root of 75794949 is about 8706.0294623898. The cubic root of 75794949 is about 423.2010679996.
The spelling of 75794949 in words is "seventy-five million, seven hundred ninety-four thousand, nine hundred forty-nine".
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