Search a number
-
+
75101317 = 103729139
BaseRepresentation
bin1000111100111…
…11010010000101
312020022112122021
410132133102011
5123211220232
611241403141
71601231164
oct436372205
9166275567
1075101317
1139435805
12211994b1
1312736765
149d8d3db
1568d7397
hex479f485

75101317 has 4 divisors (see below), whose sum is σ = 75830560. Its totient is φ = 74372076.

The previous prime is 75101297. The next prime is 75101333. The reversal of 75101317 is 71310157.

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: 71310157 = 75794201.

It is a cyclic number.

It is not a de Polignac number, because 75101317 - 219 = 74577029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 75101291 and 75101300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75102317) 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, 364467 + ... + 364672.

It is an arithmetic number, because the mean of its divisors is an integer number (18957640).

Almost surely, 275101317 is an apocalyptic number.

It is an amenable number.

75101317 is a deficient number, since it is larger than the sum of its proper divisors (729243).

75101317 is a wasteful number, since it uses less digits than its factorization.

75101317 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 729242.

The product of its (nonzero) digits is 735, while the sum is 25.

The square root of 75101317 is about 8666.1016033739. The cubic root of 75101317 is about 421.9061451318.

The spelling of 75101317 in words is "seventy-five million, one hundred one thousand, three hundred seventeen".

Divisors: 1 103 729139 75101317