Search a number
-
+
936868049 = 13574112553
BaseRepresentation
bin110111110101110…
…111100011010001
32102021212211100122
4313311313203101
53404314234144
6232544200025
732134150505
oct6765674321
92367784318
10936868049
11440923917
12221909015
1311c1347c0
148c5d6305
15573b07ee
hex37d778d1

936868049 has 8 divisors (see below), whose sum is σ = 1009190952. Its totient is φ = 864581760.

The previous prime is 936868033. The next prime is 936868067. The reversal of 936868049 is 940868639.

It can be written as a sum of positive squares in 4 ways, for example, as 267093649 + 669774400 = 16343^2 + 25880^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 936868049 - 24 = 936868033 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (936867049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68357 + ... + 80909.

It is an arithmetic number, because the mean of its divisors is an integer number (126148869).

Almost surely, 2936868049 is an apocalyptic number.

It is an amenable number.

936868049 is a deficient number, since it is larger than the sum of its proper divisors (72322903).

936868049 is a wasteful number, since it uses less digits than its factorization.

936868049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18307.

The product of its (nonzero) digits is 2239488, while the sum is 53.

The square root of 936868049 is about 30608.3003285057. The cubic root of 936868049 is about 978.4969493480.

The spelling of 936868049 in words is "nine hundred thirty-six million, eight hundred sixty-eight thousand, forty-nine".

Divisors: 1 13 5741 12553 74633 163189 72066773 936868049