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714287681 = 4391627079
BaseRepresentation
bin101010100100110…
…010101001000001
31211210001120111022
4222210302221001
52430324201211
6154513355225
723462226242
oct5244625101
91753046438
10714287681
113372189a8
1217b268b15
13b4ca2743
146ac16cc9
1542a95bdb
hex2a932a41

714287681 has 4 divisors (see below), whose sum is σ = 715915200. Its totient is φ = 712660164.

The previous prime is 714287677. The next prime is 714287683. The reversal of 714287681 is 186782417.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 714287681 - 22 = 714287677 is a prime.

It is a super-2 number, since 2×7142876812 = 1020413782456715522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (714287683) 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, 813101 + ... + 813978.

It is an arithmetic number, because the mean of its divisors is an integer number (178978800).

Almost surely, 2714287681 is an apocalyptic number.

It is an amenable number.

714287681 is a deficient number, since it is larger than the sum of its proper divisors (1627519).

714287681 is a wasteful number, since it uses less digits than its factorization.

714287681 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627518.

The product of its digits is 150528, while the sum is 44.

The square root of 714287681 is about 26726.1609850723. The cubic root of 714287681 is about 893.9043555205.

The spelling of 714287681 in words is "seven hundred fourteen million, two hundred eighty-seven thousand, six hundred eighty-one".

Divisors: 1 439 1627079 714287681