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1713987349 = 9291844981
BaseRepresentation
bin110011000101001…
…0101111100010101
311102110011120121221
41212022111330111
512002240043344
6442024410341
760321436444
oct14612257425
94373146557
101713987349
117aa557078
123ba0169b1
13214135cc9
141238c6d5b
15a0718184
hex66295f15

1713987349 has 4 divisors (see below), whose sum is σ = 1715833260. Its totient is φ = 1712141440.

The previous prime is 1713987343. The next prime is 1713987361. The reversal of 1713987349 is 9437893171.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 526702500 + 1187284849 = 22950^2 + 34457^2 .

It is a cyclic number.

It is not a de Polignac number, because 1713987349 - 215 = 1713954581 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1713987296 and 1713987305.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1713987343) 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, 921562 + ... + 923419.

It is an arithmetic number, because the mean of its divisors is an integer number (428958315).

Almost surely, 21713987349 is an apocalyptic number.

It is an amenable number.

1713987349 is a deficient number, since it is larger than the sum of its proper divisors (1845911).

1713987349 is an equidigital number, since it uses as much as digits as its factorization.

1713987349 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1845910.

The product of its digits is 1143072, while the sum is 52.

The square root of 1713987349 is about 41400.3303006148. The cubic root of 1713987349 is about 1196.7475232474.

The spelling of 1713987349 in words is "one billion, seven hundred thirteen million, nine hundred eighty-seven thousand, three hundred forty-nine".

Divisors: 1 929 1844981 1713987349