Search a number
-
+
75264009 = 3129119433
BaseRepresentation
bin1000111110001…
…11000000001001
312020121210210220
410133013000021
5123231422014
611245100253
71602506412
oct437070011
9166553726
1075264009
1139536a67
1221257689
1312792822
149dd2809
15691a6a9
hex47c7009

75264009 has 8 divisors (see below), whose sum is σ = 100434912. Its totient is φ = 50134560.

The previous prime is 75263983. The next prime is 75264023. The reversal of 75264009 is 90046257.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75264009 - 25 = 75263977 is a prime.

It is not an unprimeable number, because it can be changed into a prime (75264029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5844 + ... + 13589.

It is an arithmetic number, because the mean of its divisors is an integer number (12554364).

Almost surely, 275264009 is an apocalyptic number.

It is an amenable number.

75264009 is a deficient number, since it is larger than the sum of its proper divisors (25170903).

75264009 is a wasteful number, since it uses less digits than its factorization.

75264009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20727.

The product of its (nonzero) digits is 15120, while the sum is 33.

The square root of 75264009 is about 8675.4832142077. The cubic root of 75264009 is about 422.2105838615.

The spelling of 75264009 in words is "seventy-five million, two hundred sixty-four thousand, nine".

Divisors: 1 3 1291 3873 19433 58299 25088003 75264009