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1422402001 = 7120033831
BaseRepresentation
bin101010011001000…
…0010000111010001
310200010111111201121
41110302002013101
510403113331001
6353051002241
750151134416
oct12462020721
93603444647
101422402001
1166a9aa749
12338439381
131988c32b7
14d6ca410d
1584d1c6a1
hex54c821d1

1422402001 has 4 divisors (see below), whose sum is σ = 1442435904. Its totient is φ = 1402368100.

The previous prime is 1422401999. The next prime is 1422402017. The reversal of 1422402001 is 1002042241.

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.

It is a cyclic number.

It is not a de Polignac number, because 1422402001 - 21 = 1422401999 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1422402071) 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, 10016845 + ... + 10016986.

It is an arithmetic number, because the mean of its divisors is an integer number (360608976).

Almost surely, 21422402001 is an apocalyptic number.

It is an amenable number.

1422402001 is a deficient number, since it is larger than the sum of its proper divisors (20033903).

1422402001 is an equidigital number, since it uses as much as digits as its factorization.

1422402001 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20033902.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 1422402001 is about 37714.7451403294. The cubic root of 1422402001 is about 1124.6242698518.

Adding to 1422402001 its reverse (1002042241), we get a palindrome (2424444242).

The spelling of 1422402001 in words is "one billion, four hundred twenty-two million, four hundred two thousand, one".

Divisors: 1 71 20033831 1422402001