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1101420442 = 2550710221
BaseRepresentation
bin100000110100110…
…0101011110011010
32211202111221210201
41001221211132122
54223430423232
6301143132414
736202630213
oct10151453632
92752457721
101101420442
115157a5531
12268a4410a
1314725a395
14a63cc40a
1566a66be7
hex41a6579a

1101420442 has 4 divisors (see below), whose sum is σ = 1652130666. Its totient is φ = 550710220.

The previous prime is 1101420427. The next prime is 1101420451. The reversal of 1101420442 is 2440241011.

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

It can be written as a sum of positive squares in only one way, i.e., 935809281 + 165611161 = 30591^2 + 12869^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275355109 + ... + 275355112.

Almost surely, 21101420442 is an apocalyptic number.

1101420442 is a deficient number, since it is larger than the sum of its proper divisors (550710224).

1101420442 is an equidigital number, since it uses as much as digits as its factorization.

1101420442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550710223.

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1101420442 is about 33187.6549638567. The cubic root of 1101420442 is about 1032.7242558615.

Adding to 1101420442 its reverse (2440241011), we get a palindrome (3541661453).

The spelling of 1101420442 in words is "one billion, one hundred one million, four hundred twenty thousand, four hundred forty-two".

Divisors: 1 2 550710221 1101420442