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1423214717 = 10331377749
BaseRepresentation
bin101010011010100…
…1000100001111101
310200012000210120012
41110311020201331
510403320332332
6353120233005
750161061021
oct12465104175
93605023505
101423214717
11670405311
1233876b765
13198b191b2
14d7036381
1584e2d3b2
hex54d4887d

1423214717 has 4 divisors (see below), whose sum is σ = 1424593500. Its totient is φ = 1421835936.

The previous prime is 1423214711. The next prime is 1423214761. The reversal of 1423214717 is 7174123241.

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 1106161081 + 317053636 = 33259^2 + 17806^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1423214717 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 (1423214711) 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, 687842 + ... + 689907.

It is an arithmetic number, because the mean of its divisors is an integer number (356148375).

Almost surely, 21423214717 is an apocalyptic number.

It is an amenable number.

1423214717 is a deficient number, since it is larger than the sum of its proper divisors (1378783).

1423214717 is a wasteful number, since it uses less digits than its factorization.

1423214717 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1378782.

The product of its digits is 9408, while the sum is 32.

The square root of 1423214717 is about 37725.5181144010. The cubic root of 1423214717 is about 1124.8384207777.

Adding to 1423214717 its reverse (7174123241), we get a palindrome (8597337958).

The spelling of 1423214717 in words is "one billion, four hundred twenty-three million, two hundred fourteen thousand, seven hundred seventeen".

Divisors: 1 1033 1377749 1423214717