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1422453665 = 5172984397
BaseRepresentation
bin101010011001000…
…1110101110100001
310200010121010121002
41110302032232201
510403122004130
6353052041345
750151441143
oct12462165641
93603533532
101422453665
1166aa35546
12338463255
13198910979
14d6cb8c93
1584d2cb45
hex54c8eba1

1422453665 has 12 divisors (see below), whose sum is σ = 1813261116. Its totient is φ = 1071022848.

The previous prime is 1422453629. The next prime is 1422453667. The reversal of 1422453665 is 5663542241.

It can be written as a sum of positive squares in 6 ways, for example, as 242393761 + 1180059904 = 15569^2 + 34352^2 .

It is not a de Polignac number, because 1422453665 - 222 = 1418259361 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422453667) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 490754 + ... + 493643.

It is an arithmetic number, because the mean of its divisors is an integer number (151105093).

Almost surely, 21422453665 is an apocalyptic number.

It is an amenable number.

1422453665 is a deficient number, since it is larger than the sum of its proper divisors (390807451).

1422453665 is an equidigital number, since it uses as much as digits as its factorization.

1422453665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 984436 (or 984419 counting only the distinct ones).

The product of its digits is 172800, while the sum is 38.

The square root of 1422453665 is about 37715.4300651603. The cubic root of 1422453665 is about 1124.6378857599.

The spelling of 1422453665 in words is "one billion, four hundred twenty-two million, four hundred fifty-three thousand, six hundred sixty-five".

Divisors: 1 5 17 85 289 1445 984397 4921985 16734749 83673745 284490733 1422453665