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716603057 = 1742153121
BaseRepresentation
bin101010101101100…
…111111010110001
31211221102012120222
4222231213322301
52431422244212
6155035142425
723521011512
oct5255477261
91757365528
10716603057
1133855a535
1217bba4a15
13b56035a1
146b25aa09
1542da1c72
hex2ab67eb1

716603057 has 4 divisors (see below), whose sum is σ = 758756196. Its totient is φ = 674449920.

The previous prime is 716603047. The next prime is 716603077. The reversal of 716603057 is 750306617.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 750306617 = 2572919481.

It can be written as a sum of positive squares in 2 ways, for example, as 619462321 + 97140736 = 24889^2 + 9856^2 .

It is a cyclic number.

It is not a de Polignac number, because 716603057 - 220 = 715554481 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (716603047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21076544 + ... + 21076577.

It is an arithmetic number, because the mean of its divisors is an integer number (189689049).

Almost surely, 2716603057 is an apocalyptic number.

It is an amenable number.

716603057 is a deficient number, since it is larger than the sum of its proper divisors (42153139).

716603057 is a wasteful number, since it uses less digits than its factorization.

716603057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42153138.

The product of its (nonzero) digits is 26460, while the sum is 35.

The square root of 716603057 is about 26769.4425978577. The cubic root of 716603057 is about 894.8691826320.

The spelling of 716603057 in words is "seven hundred sixteen million, six hundred three thousand, fifty-seven".

Divisors: 1 17 42153121 716603057