Search a number
-
+
775530085 = 51115499103
BaseRepresentation
bin101110001110011…
…010011001100101
32000001022000021111
4232032122121211
53042013430320
6204542145021
725134616441
oct5616323145
92001260244
10775530085
11368848260
12197882171
13c4896055
1474dd9821
1548141a5a
hex2e39a665

775530085 has 16 divisors (see below), whose sum is σ = 1016006400. Its totient is φ = 563595840.

The previous prime is 775530073. The next prime is 775530103. The reversal of 775530085 is 580035577.

It is not a de Polignac number, because 775530085 - 25 = 775530053 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80644 + ... + 89746.

It is an arithmetic number, because the mean of its divisors is an integer number (63500400).

Almost surely, 2775530085 is an apocalyptic number.

It is an amenable number.

775530085 is a deficient number, since it is larger than the sum of its proper divisors (240476315).

775530085 is a wasteful number, since it uses less digits than its factorization.

775530085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10668.

The product of its (nonzero) digits is 147000, while the sum is 40.

The square root of 775530085 is about 27848.3407943813. The cubic root of 775530085 is about 918.7546496749.

The spelling of 775530085 in words is "seven hundred seventy-five million, five hundred thirty thousand, eighty-five".

Divisors: 1 5 11 55 1549 7745 9103 17039 45515 85195 100133 500665 14100547 70502735 155106017 775530085