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75244317 = 325081439
BaseRepresentation
bin1000111110000…
…10001100011101
312020120210210120
410133002030131
5123230304232
611244425153
71602365121
oct437021435
9166523716
1075244317
1139523195
12212481b9
1312786885
149dc9581
15691492c
hex47c231d

75244317 has 4 divisors (see below), whose sum is σ = 100325760. Its totient is φ = 50162876.

The previous prime is 75244303. The next prime is 75244319. The reversal of 75244317 is 71344257.

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 75244317 - 216 = 75178781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75244319) 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, 12540717 + ... + 12540722.

It is an arithmetic number, because the mean of its divisors is an integer number (25081440).

Almost surely, 275244317 is an apocalyptic number.

It is an amenable number.

75244317 is a deficient number, since it is larger than the sum of its proper divisors (25081443).

75244317 is a wasteful number, since it uses less digits than its factorization.

75244317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25081442.

The product of its digits is 23520, while the sum is 33.

The square root of 75244317 is about 8674.3482175896. The cubic root of 75244317 is about 422.1737583981.

The spelling of 75244317 in words is "seventy-five million, two hundred forty-four thousand, three hundred seventeen".

Divisors: 1 3 25081439 75244317