Search a number
-
+
749770713 = 3283307857
BaseRepresentation
bin101100101100001…
…001011111011001
31221020211022001200
4230230021133121
53013420130323
6202222104413
724402642306
oct5454113731
91836738050
10749770713
1135525391a
1218b11b109
13bc447313
14718120ad
1545c54443
hex2cb097d9

749770713 has 6 divisors (see below), whose sum is σ = 1083002154. Its totient is φ = 499847136.

The previous prime is 749770711. The next prime is 749770717. The reversal of 749770713 is 317077947.

It can be written as a sum of positive squares in only one way, i.e., 608707584 + 141063129 = 24672^2 + 11877^2 .

It is not a de Polignac number, because 749770713 - 21 = 749770711 is a prime.

It is a super-2 number, since 2×7497707132 = 1124312244145056738, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (749770711) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 41653920 + ... + 41653937.

It is an arithmetic number, because the mean of its divisors is an integer number (180500359).

Almost surely, 2749770713 is an apocalyptic number.

It is an amenable number.

749770713 is a deficient number, since it is larger than the sum of its proper divisors (333231441).

749770713 is a wasteful number, since it uses less digits than its factorization.

749770713 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83307863 (or 83307860 counting only the distinct ones).

The product of its (nonzero) digits is 259308, while the sum is 45.

The square root of 749770713 is about 27381.9413665284. The cubic root of 749770713 is about 908.4676998395.

It can be divided in two parts, 7497 and 70713, that added together give a triangular number (78210 = T395).

The spelling of 749770713 in words is "seven hundred forty-nine million, seven hundred seventy thousand, seven hundred thirteen".

Divisors: 1 3 9 83307857 249923571 749770713