Base | Representation |
---|---|
bin | 1000111110100… |
… | …01001011100101 |
3 | 12020200221000001 |
4 | 10133101023211 |
5 | 123234240301 |
6 | 11250021301 |
7 | 1603042102 |
oct | 437211345 |
9 | 166627001 |
10 | 75305701 |
11 | 39565319 |
12 | 21277831 |
13 | 127a87b3 |
14 | a003aa9 |
15 | 6927c01 |
hex | 47d12e5 |
75305701 has 4 divisors (see below), whose sum is σ = 76051404. Its totient is φ = 74560000.
The previous prime is 75305677. The next prime is 75305707. The reversal of 75305701 is 10750357.
It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10750357 = 47 ⋅228731.
It can be written as a sum of positive squares in 2 ways, for example, as 31348801 + 43956900 = 5599^2 + 6630^2 .
It is a cyclic number.
It is not a de Polignac number, because 75305701 - 211 = 75303653 is a prime.
It is a Duffinian number.
It is a self number, because there is not a number n which added to its sum of digits gives 75305701.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (75305707) by changing a digit.
It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 372700 + ... + 372901.
It is an arithmetic number, because the mean of its divisors is an integer number (19012851).
Almost surely, 275305701 is an apocalyptic number.
It is an amenable number.
75305701 is a deficient number, since it is larger than the sum of its proper divisors (745703).
75305701 is a wasteful number, since it uses less digits than its factorization.
75305701 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 745702.
The product of its (nonzero) digits is 3675, while the sum is 28.
The square root of 75305701 is about 8677.8857448113. The cubic root of 75305701 is about 422.2885297242.
It can be divided in two parts, 7530 and 5701, that added together give a palindrome (13231).
The spelling of 75305701 in words is "seventy-five million, three hundred five thousand, seven hundred one".
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