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1420432105 = 5458361987
BaseRepresentation
bin101010010101010…
…0001001011101001
310122222210102112111
41110222201023221
510402112311410
6352540442321
750125321321
oct12452411351
93588712474
101420432105
11669884734
123378493a1
13198383791
14d6910281
1584a7db8a
hex54aa12e9

1420432105 has 8 divisors (see below), whose sum is σ = 1704917952. Its totient is φ = 1136079408.

The previous prime is 1420432081. The next prime is 1420432159. The reversal of 1420432105 is 5012340241.

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 1420432105 - 213 = 1420423913 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8079 + ... + 53908.

It is an arithmetic number, because the mean of its divisors is an integer number (213114744).

Almost surely, 21420432105 is an apocalyptic number.

It is an amenable number.

1420432105 is a deficient number, since it is larger than the sum of its proper divisors (284485847).

1420432105 is an equidigital number, since it uses as much as digits as its factorization.

1420432105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66575.

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

The square root of 1420432105 is about 37688.6203647732. The cubic root of 1420432105 is about 1124.1048629280.

Adding to 1420432105 its reverse (5012340241), we get a palindrome (6432772346).

The spelling of 1420432105 in words is "one billion, four hundred twenty million, four hundred thirty-two thousand, one hundred five".

Divisors: 1 5 4583 22915 61987 309935 284086421 1420432105