Base | Representation |
---|---|
bin | 1001000000010… |
… | …10000000110101 |
3 | 12021010202022200 |
4 | 10200022000311 |
5 | 123314212420 |
6 | 11255015113 |
7 | 1605031551 |
oct | 440120065 |
9 | 167122280 |
10 | 75538485 |
11 | 39704200 |
12 | 2136a499 |
13 | 1285a739 |
14 | a064861 |
15 | 6971b90 |
hex | 480a035 |
75538485 has 36 divisors (see below), whose sum is σ = 143928876. Its totient is φ = 36622080.
The previous prime is 75538453. The next prime is 75538499. The reversal of 75538485 is 58483557.
75538485 is a `hidden beast` number, since 75 + 538 + 48 + 5 = 666.
It can be written as a sum of positive squares in 2 ways, for example, as 31102929 + 44435556 = 5577^2 + 6666^2 .
It is not a de Polignac number, because 75538485 - 25 = 75538453 is a prime.
It is a Harshad number since it is a multiple of its sum of digits (45).
It is a self number, because there is not a number n which added to its sum of digits gives 75538485.
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1492 + ... + 12381.
Almost surely, 275538485 is an apocalyptic number.
It is an amenable number.
75538485 is a deficient number, since it is larger than the sum of its proper divisors (68390391).
75538485 is a wasteful number, since it uses less digits than its factorization.
75538485 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13906 (or 13892 counting only the distinct ones).
The product of its digits is 672000, while the sum is 45.
The square root of 75538485 is about 8691.2878792501. The cubic root of 75538485 is about 422.7232064062.
The spelling of 75538485 in words is "seventy-five million, five hundred thirty-eight thousand, four hundred eighty-five".
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