Search a number
-
+
1430221105 = 519101149059
BaseRepresentation
bin101010100111111…
…0111000100110001
310200200012202112001
41111033313010301
510412114033410
6353530334001
750304451555
oct12517670461
93620182461
101430221105
11674360315
1233ab8a301
1319a4002a1
14d7d3b865
158586433a
hex553f7131

1430221105 has 16 divisors (see below), whose sum is σ = 1824494400. Its totient is φ = 1073217600.

The previous prime is 1430221099. The next prime is 1430221109. The reversal of 1430221105 is 5011220341.

It is not a de Polignac number, because 1430221105 - 25 = 1430221073 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is not an unprimeable number, because it can be changed into a prime (1430221109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 64935 + ... + 84124.

It is an arithmetic number, because the mean of its divisors is an integer number (114030900).

Almost surely, 21430221105 is an apocalyptic number.

It is an amenable number.

1430221105 is a deficient number, since it is larger than the sum of its proper divisors (394273295).

1430221105 is a wasteful number, since it uses less digits than its factorization.

1430221105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149184.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 1430221105 is about 37818.2641722224. The cubic root of 1430221105 is about 1126.6812340802.

Adding to 1430221105 its reverse (5011220341), we get a palindrome (6441441446).

The spelling of 1430221105 in words is "one billion, four hundred thirty million, two hundred twenty-one thousand, one hundred five".

Divisors: 1 5 19 95 101 505 1919 9595 149059 745295 2832121 14160605 15054959 75274795 286044221 1430221105