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1120033421 = 1386156417
BaseRepresentation
bin100001011000010…
…0101101010001101
32220001112121000022
41002300211222031
54243212032141
6303050111525
736520061363
oct10260455215
92801477008
101120033421
11525258761
1227311b5a5
1314b076390
14a8a75633
15684e1b4b
hex42c25a8d

1120033421 has 4 divisors (see below), whose sum is σ = 1206189852. Its totient is φ = 1033876992.

The previous prime is 1120033393. The next prime is 1120033459. The reversal of 1120033421 is 1243300211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1243300211 = 8291499759.

It can be written as a sum of positive squares in 2 ways, for example, as 256320100 + 863713321 = 16010^2 + 29389^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-1120033421 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1120033421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1120032421) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43078196 + ... + 43078221.

It is an arithmetic number, because the mean of its divisors is an integer number (301547463).

Almost surely, 21120033421 is an apocalyptic number.

It is an amenable number.

1120033421 is a deficient number, since it is larger than the sum of its proper divisors (86156431).

1120033421 is an equidigital number, since it uses as much as digits as its factorization.

1120033421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86156430.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 1120033421 is about 33466.9003793300. The cubic root of 1120033421 is about 1038.5091499309.

Adding to 1120033421 its reverse (1243300211), we get a palindrome (2363333632).

The spelling of 1120033421 in words is "one billion, one hundred twenty million, thirty-three thousand, four hundred twenty-one".

Divisors: 1 13 86156417 1120033421