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714721 = 7102103
BaseRepresentation
bin10101110011111100001
31100022102011
42232133201
5140332341
623152521
76034510
oct2563741
91308364
10714721
11448a87
122a5741
131c0417
14148677
15e1b81
hexae7e1

714721 has 4 divisors (see below), whose sum is σ = 816832. Its totient is φ = 612612.

The previous prime is 714719. The next prime is 714739. The reversal of 714721 is 127417.

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, and also an emirpimes, since its reverse is a distinct semiprime: 127417 = 472711.

It is not a de Polignac number, because 714721 - 21 = 714719 is a prime.

It is a super-2 number, since 2×7147212 = 1021652215682, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 714692 and 714701.

It is not an unprimeable number, because it can be changed into a prime (714751) 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, 51045 + ... + 51058.

It is an arithmetic number, because the mean of its divisors is an integer number (204208).

2714721 is an apocalyptic number.

It is an amenable number.

714721 is a deficient number, since it is larger than the sum of its proper divisors (102111).

714721 is a wasteful number, since it uses less digits than its factorization.

714721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102110.

The product of its digits is 392, while the sum is 22.

The square root of 714721 is about 845.4117340089. The cubic root of 714721 is about 89.4085079829.

The spelling of 714721 in words is "seven hundred fourteen thousand, seven hundred twenty-one", and thus it is an iban number.

Divisors: 1 7 102103 714721