Base | Representation |
---|---|
bin | 1001000000011… |
… | …01110011111101 |
3 | 12021011112122222 |
4 | 10200031303331 |
5 | 123320212140 |
6 | 11255215125 |
7 | 1605125120 |
oct | 440156375 |
9 | 167145588 |
10 | 75554045 |
11 | 39714966 |
12 | 213774a5 |
13 | 12864848 |
14 | a06a3b7 |
15 | 69765b5 |
hex | 480dcfd |
75554045 has 16 divisors (see below), whose sum is σ = 103932288. Its totient is φ = 51650880.
The previous prime is 75554041. The next prime is 75554123. The reversal of 75554045 is 54045557.
It is not a de Polignac number, because 75554045 - 22 = 75554041 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (35).
It is a Duffinian number.
It is a junction number, because it is equal to n+sod(n) for n = 75553996 and 75554014.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75554041) 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, 9035 + ... + 15255.
It is an arithmetic number, because the mean of its divisors is an integer number (6495768).
Almost surely, 275554045 is an apocalyptic number.
It is an amenable number.
75554045 is a deficient number, since it is larger than the sum of its proper divisors (28378243).
75554045 is a wasteful number, since it uses less digits than its factorization.
75554045 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 6580.
The product of its (nonzero) digits is 70000, while the sum is 35.
The square root of 75554045 is about 8692.1829824274. The cubic root of 75554045 is about 422.7522296761.
The spelling of 75554045 in words is "seventy-five million, five hundred fifty-four thousand, forty-five".
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