Search a number
718742050 = 252131105757
BaseRepresentation
bin101010110101110…
…010001000100010
31212002102212201221
4222311302020202
52432444221200
6155153045254
723545130605
oct5265621042
91762385657
10718742050
113397905a4
1218085682a
13b5ba2070
146b65633c
154317591a

718742050 has 24 divisors (see below), whose sum is σ = 1439696916. Its totient is φ = 265381440.

The previous prime is 718742047. The next prime is 718742093. The reversal of 718742050 is 50247817.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 376010881 + 342731169 = 19391^2 + 18513^2 .

It is a junction number, because it is equal to n+sod(n) for n = 718741997 and 718742015.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 552229 + ... + 553528.

Almost surely, 2718742050 is an apocalyptic number.

718742050 is an abundant number, since it is smaller than the sum of its proper divisors (720954866).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

718742050 is a wasteful number, since it uses less digits than its factorization.

718742050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105782 (or 1105777 counting only the distinct ones).

The product of its (nonzero) digits is 15680, while the sum is 34.

The square root of 718742050 is about 26809.3649682345. The cubic root of 718742050 is about 895.7586651064.

Adding to 718742050 its reverse (50247817), we get a palindrome (768989867).

The spelling of 718742050 in words is "seven hundred eighteen million, seven hundred forty-two thousand, fifty".