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1442608971 = 3480869657
BaseRepresentation
bin101010111111100…
…0111011101001011
310201112112010110220
41111333013131023
510423301441341
6355052041123
750514655026
oct12577073513
93645463426
101442608971
11680351521
123431631a3
1319cb4999b
14d98441bd
15869aea66
hex55fc774b

1442608971 has 4 divisors (see below), whose sum is σ = 1923478632. Its totient is φ = 961739312.

The previous prime is 1442608969. The next prime is 1442608987. The reversal of 1442608971 is 1798062441.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1442608971 - 21 = 1442608969 is a prime.

It is a super-2 number, since 2×14426089712 = 4162241286419357682, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1442608471) 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, 240434826 + ... + 240434831.

It is an arithmetic number, because the mean of its divisors is an integer number (480869658).

Almost surely, 21442608971 is an apocalyptic number.

1442608971 is a deficient number, since it is larger than the sum of its proper divisors (480869661).

1442608971 is an equidigital number, since it uses as much as digits as its factorization.

1442608971 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 480869660.

The product of its (nonzero) digits is 96768, while the sum is 42.

The square root of 1442608971 is about 37981.6925768192. The cubic root of 1442608971 is about 1129.9248053443.

The spelling of 1442608971 in words is "one billion, four hundred forty-two million, six hundred eight thousand, nine hundred seventy-one".

Divisors: 1 3 480869657 1442608971