Base | Representation |
---|---|
bin | 1000111111011… |
… | …10011010111111 |
3 | 12020221000021222 |
4 | 10133232122333 |
5 | 123302103341 |
6 | 11252343555 |
7 | 1604051222 |
oct | 437563277 |
9 | 166830258 |
10 | 75425471 |
11 | 39637300 |
12 | 21314bbb |
13 | 1281b174 |
14 | a0355b9 |
15 | 694d44b |
hex | 47ee6bf |
75425471 has 6 divisors (see below), whose sum is σ = 82905816. Its totient is φ = 68568500.
The previous prime is 75425461. The next prime is 75425489. The reversal of 75425471 is 17452457.
It is not a de Polignac number, because 75425471 - 26 = 75425407 is a prime.
It is a super-3 number, since 3×754254713 (a number of 25 digits) contains 333 as substring.
It is a Duffinian number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75425401) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (19) of ones.
It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 311555 + ... + 311796.
It is an arithmetic number, because the mean of its divisors is an integer number (13817636).
Almost surely, 275425471 is an apocalyptic number.
75425471 is a deficient number, since it is larger than the sum of its proper divisors (7480345).
75425471 is a wasteful number, since it uses less digits than its factorization.
75425471 is an odious number, because the sum of its binary digits is odd.
The sum of its prime factors is 623373 (or 623362 counting only the distinct ones).
The product of its digits is 39200, while the sum is 35.
The square root of 75425471 is about 8684.7838775643. The cubic root of 75425471 is about 422.5122874944.
The spelling of 75425471 in words is "seventy-five million, four hundred twenty-five thousand, four hundred seventy-one".
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