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75135361 = 710733623
BaseRepresentation
bin1000111101001…
…11100110000001
312020101021100011
410132213212001
5123213312421
611242224521
71601432350
oct436474601
9166337304
1075135361
1139459344
12211b5141
13127490c2
149d9b997
1568e24e1
hex47a7981

75135361 has 4 divisors (see below), whose sum is σ = 85868992. Its totient is φ = 64401732.

The previous prime is 75135349. The next prime is 75135371. The reversal of 75135361 is 16353157.

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, and also an emirpimes, since its reverse is a distinct semiprime: 16353157 = 124913093.

It is a cyclic number.

It is not a de Polignac number, because 75135361 - 219 = 74611073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (75135301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5366805 + ... + 5366818.

It is an arithmetic number, because the mean of its divisors is an integer number (21467248).

Almost surely, 275135361 is an apocalyptic number.

It is an amenable number.

75135361 is a deficient number, since it is larger than the sum of its proper divisors (10733631).

75135361 is a wasteful number, since it uses less digits than its factorization.

75135361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10733630.

The product of its digits is 9450, while the sum is 31.

The square root of 75135361 is about 8668.0655858156. The cubic root of 75135361 is about 421.9698865928.

The spelling of 75135361 in words is "seventy-five million, one hundred thirty-five thousand, three hundred sixty-one".

Divisors: 1 7 10733623 75135361