Search a number
-
+
714705421 = 3891837289
BaseRepresentation
bin101010100110011…
…000101000001101
31211210211210112011
4222212120220031
52430431033141
6154530341221
723465616163
oct5246305015
91753753464
10714705421
11337483841
1217b42a811
13b50ba921
146acc5233
1542b29881
hex2a998a0d

714705421 has 4 divisors (see below), whose sum is σ = 716543100. Its totient is φ = 712867744.

The previous prime is 714705401. The next prime is 714705443. The reversal of 714705421 is 124507417.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 124507417 = 347358811.

It can be written as a sum of positive squares in 2 ways, for example, as 179292100 + 535413321 = 13390^2 + 23139^2 .

It is a cyclic number.

It is not a de Polignac number, because 714705421 - 25 = 714705389 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (714705401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 918256 + ... + 919033.

It is an arithmetic number, because the mean of its divisors is an integer number (179135775).

Almost surely, 2714705421 is an apocalyptic number.

It is an amenable number.

714705421 is a deficient number, since it is larger than the sum of its proper divisors (1837679).

714705421 is a wasteful number, since it uses less digits than its factorization.

714705421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1837678.

The product of its (nonzero) digits is 7840, while the sum is 31.

The square root of 714705421 is about 26733.9750317831. The cubic root of 714705421 is about 894.0785835628.

The spelling of 714705421 in words is "seven hundred fourteen million, seven hundred five thousand, four hundred twenty-one".

Divisors: 1 389 1837289 714705421