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1104213431 = 6689165079
BaseRepresentation
bin100000111010000…
…1111010110110111
32211221202212001202
41001310033112313
54230134312211
6301323043115
736235442066
oct10164172667
92757685052
101104213431
11517332992
1226997049b
131479c7739
14a69181dd
1566e1953b
hex41d0f5b7

1104213431 has 4 divisors (see below), whose sum is σ = 1104385200. Its totient is φ = 1104041664.

The previous prime is 1104213421. The next prime is 1104213437. The reversal of 1104213431 is 1343124011.

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

It is a cyclic number.

It is not a de Polignac number, because 1104213431 - 214 = 1104197047 is a prime.

It is a super-2 number, since 2×11042134312 = 2438574602401583522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1104213437) 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 3 ways as a sum of consecutive naturals, for example, 75851 + ... + 89228.

It is an arithmetic number, because the mean of its divisors is an integer number (276096300).

Almost surely, 21104213431 is an apocalyptic number.

1104213431 is a deficient number, since it is larger than the sum of its proper divisors (171769).

1104213431 is an equidigital number, since it uses as much as digits as its factorization.

1104213431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 171768.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1104213431 is about 33229.7070555851. The cubic root of 1104213431 is about 1033.5964486297.

Adding to 1104213431 its reverse (1343124011), we get a palindrome (2447337442).

The spelling of 1104213431 in words is "one billion, one hundred four million, two hundred thirteen thousand, four hundred thirty-one".

Divisors: 1 6689 165079 1104213431