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1442352001 = 11324175281
BaseRepresentation
bin101010111111000…
…1000101110000001
310201112001001222111
41111332020232001
510423220231001
6355042335321
750512534606
oct12576105601
93645031874
101442352001
11680196452
1234305a541
1319ca89a2c
14d97b86ad
158695d851
hex55f88b81

1442352001 has 8 divisors (see below), whose sum is σ = 1455993864. Its totient is φ = 1428725760.

The previous prime is 1442351993. The next prime is 1442352049. The reversal of 1442352001 is 1002532441.

It can be written as a sum of positive squares in 4 ways, for example, as 41796225 + 1400555776 = 6465^2 + 37424^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1442352001 - 23 = 1442351993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1442352071) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 270481 + ... + 275761.

It is an arithmetic number, because the mean of its divisors is an integer number (181999233).

Almost surely, 21442352001 is an apocalyptic number.

It is an amenable number.

1442352001 is a deficient number, since it is larger than the sum of its proper divisors (13641863).

1442352001 is a wasteful number, since it uses less digits than its factorization.

1442352001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7811.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 1442352001 is about 37978.3096121984. The cubic root of 1442352001 is about 1129.8577106973.

Adding to 1442352001 its reverse (1002532441), we get a palindrome (2444884442).

The spelling of 1442352001 in words is "one billion, four hundred forty-two million, three hundred fifty-two thousand, one".

Divisors: 1 113 2417 5281 273121 596753 12764177 1442352001