Search a number
-
+
75159093 = 325053031
BaseRepresentation
bin1000111101011…
…01011000110101
312020102110220010
410132231120311
5123220042333
611242530433
71601561502
oct436553065
9166373803
1075159093
1139475159
1221206a19
1312756b49
149da64a9
1568e9563
hex47ad635

75159093 has 4 divisors (see below), whose sum is σ = 100212128. Its totient is φ = 50106060.

The previous prime is 75159089. The next prime is 75159143. The reversal of 75159093 is 39095157.

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: 39095157 = 313031719.

It is not a de Polignac number, because 75159093 - 22 = 75159089 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75159013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12526513 + ... + 12526518.

It is an arithmetic number, because the mean of its divisors is an integer number (25053032).

Almost surely, 275159093 is an apocalyptic number.

It is an amenable number.

75159093 is a deficient number, since it is larger than the sum of its proper divisors (25053035).

75159093 is a wasteful number, since it uses less digits than its factorization.

75159093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25053034.

The product of its (nonzero) digits is 42525, while the sum is 39.

The square root of 75159093 is about 8669.4344106176. The cubic root of 75159093 is about 422.0143092413.

It can be divided in two parts, 7515 and 9093, that multiplied together give a triangular number (68333895 = T11690).

The spelling of 75159093 in words is "seventy-five million, one hundred fifty-nine thousand, ninety-three".

Divisors: 1 3 25053031 75159093