Search a number
-
+
75482061 = 325160687
BaseRepresentation
bin1000111111111…
…00001111001101
312021000212220220
410133330033031
5123310411221
611253501553
71604405214
oct437741715
9167025826
1075482061
1139675876
12213418b9
131283ab55
14a04c07b
1569600c6
hex47fc3cd

75482061 has 4 divisors (see below), whose sum is σ = 100642752. Its totient is φ = 50321372.

The previous prime is 75482053. The next prime is 75482081. The reversal of 75482061 is 16028457.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 75482061 - 23 = 75482053 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75482081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12580341 + ... + 12580346.

It is an arithmetic number, because the mean of its divisors is an integer number (25160688).

Almost surely, 275482061 is an apocalyptic number.

It is an amenable number.

75482061 is a deficient number, since it is larger than the sum of its proper divisors (25160691).

75482061 is a wasteful number, since it uses less digits than its factorization.

75482061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25160690.

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 75482061 is about 8688.0412637142. The cubic root of 75482061 is about 422.6179281700.

The spelling of 75482061 in words is "seventy-five million, four hundred eighty-two thousand, sixty-one".

Divisors: 1 3 25160687 75482061