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718742049 = 32251106433
BaseRepresentation
bin101010110101110…
…010001000100001
31212002102212201220
4222311302020201
52432444221144
6155153045253
723545130604
oct5265621041
91762385656
10718742049
113397905a3
12180856829
13b5ba206c
146b65633b
1543175919

718742049 has 8 divisors (see below), whose sum is σ = 958757472. Its totient is φ = 478944000.

The previous prime is 718742047. The next prime is 718742093. The reversal of 718742049 is 940247817.

It is a happy number.

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

It is not a de Polignac number, because 718742049 - 21 = 718742047 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 718742049.

It is not an unprimeable number, because it can be changed into a prime (718742041) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 46464 + ... + 59969.

It is an arithmetic number, because the mean of its divisors is an integer number (119844684).

Almost surely, 2718742049 is an apocalyptic number.

It is an amenable number.

718742049 is a deficient number, since it is larger than the sum of its proper divisors (240015423).

718742049 is a wasteful number, since it uses less digits than its factorization.

718742049 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108687.

The product of its (nonzero) digits is 112896, while the sum is 42.

The square root of 718742049 is about 26809.3649495843. The cubic root of 718742049 is about 895.7586646910.

The spelling of 718742049 in words is "seven hundred eighteen million, seven hundred forty-two thousand, forty-nine".