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75133077 = 325044359
BaseRepresentation
bin1000111101001…
…11000010010101
312020101011012120
410132213002111
5123213224302
611242210153
71601422605
oct436470225
9166334176
1075133077
1139457658
12211b3959
1312748056
149d9ac05
1568e19bc
hex47a7095

75133077 has 4 divisors (see below), whose sum is σ = 100177440. Its totient is φ = 50088716.

The previous prime is 75133061. The next prime is 75133103. The reversal of 75133077 is 77033157.

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: 77033157 = 325677719.

It is a cyclic number.

It is not a de Polignac number, because 75133077 - 24 = 75133061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75133027) 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, 12522177 + ... + 12522182.

It is an arithmetic number, because the mean of its divisors is an integer number (25044360).

Almost surely, 275133077 is an apocalyptic number.

It is an amenable number.

75133077 is a deficient number, since it is larger than the sum of its proper divisors (25044363).

75133077 is a wasteful number, since it uses less digits than its factorization.

75133077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25044362.

The product of its (nonzero) digits is 15435, while the sum is 33.

The square root of 75133077 is about 8667.9338368495. The cubic root of 75133077 is about 421.9656108032.

The spelling of 75133077 in words is "seventy-five million, one hundred thirty-three thousand, seventy-seven".

Divisors: 1 3 25044359 75133077