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1430220442 = 27102158603
BaseRepresentation
bin101010100111111…
…0110111010011010
310200200012201121111
41111033312322122
510412114023232
6353530330534
750304446620
oct12517667232
93620181544
101430220442
1167435a872
1233ab89a4a
1319a3ccbb1
14d7d3b510
1585864047
hex553f6e9a

1430220442 has 8 divisors (see below), whose sum is σ = 2451806496. Its totient is φ = 612951612.

The previous prime is 1430220409. The next prime is 1430220443. The reversal of 1430220442 is 2440220341.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (1430220443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 51079288 + ... + 51079315.

It is an arithmetic number, because the mean of its divisors is an integer number (306475812).

Almost surely, 21430220442 is an apocalyptic number.

1430220442 is a deficient number, since it is larger than the sum of its proper divisors (1021586054).

1430220442 is a wasteful number, since it uses less digits than its factorization.

1430220442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102158612.

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 1430220442 is about 37818.2554066155. The cubic root of 1430220442 is about 1126.6810599836.

Adding to 1430220442 its reverse (2440220341), we get a palindrome (3870440783).

The spelling of 1430220442 in words is "one billion, four hundred thirty million, two hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 7 14 102158603 204317206 715110221 1430220442