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714283721 = 1178960589
BaseRepresentation
bin101010100100110…
…001101011001001
31211210001101001122
4222210301223021
52430324034341
6154513325025
723462211554
oct5244615311
91753041048
10714283721
11337215a28
1217b266775
13b4ca09b8
146ac1569b
1542a9494b
hex2a931ac9

714283721 has 4 divisors (see below), whose sum is σ = 714356100. Its totient is φ = 714211344.

The previous prime is 714283711. The next prime is 714283729. The reversal of 714283721 is 127382417.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 127382417 = 550723131.

It can be written as a sum of positive squares in 2 ways, for example, as 286828096 + 427455625 = 16936^2 + 20675^2 .

It is a cyclic number.

It is not a de Polignac number, because 714283721 - 210 = 714282697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (714283729) 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, 18506 + ... + 42083.

It is an arithmetic number, because the mean of its divisors is an integer number (178589025).

Almost surely, 2714283721 is an apocalyptic number.

It is an amenable number.

714283721 is a deficient number, since it is larger than the sum of its proper divisors (72379).

714283721 is a wasteful number, since it uses less digits than its factorization.

714283721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72378.

The product of its digits is 18816, while the sum is 35.

The square root of 714283721 is about 26726.0869002553. The cubic root of 714283721 is about 893.9027035867.

The spelling of 714283721 in words is "seven hundred fourteen million, two hundred eighty-three thousand, seven hundred twenty-one".

Divisors: 1 11789 60589 714283721