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1481441431 = 2364410497
BaseRepresentation
bin101100001001101…
…0000000010010111
310211020121000121011
41120103100002113
511013222111211
6403000233051
751466021141
oct13023200227
93736530534
101481441431
116a0264968
1235416b787
131a7bc4c82
14100a71c91
158a0d0921
hex584d0097

1481441431 has 4 divisors (see below), whose sum is σ = 1545851952. Its totient is φ = 1417030912.

The previous prime is 1481441393. The next prime is 1481441441. The reversal of 1481441431 is 1341441841.

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 1481441431 - 217 = 1481310359 is a prime.

It is a super-2 number, since 2×14814414312 = 4389337426966655522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1481441393 and 1481441402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1481441441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32205226 + ... + 32205271.

It is an arithmetic number, because the mean of its divisors is an integer number (386462988).

Almost surely, 21481441431 is an apocalyptic number.

1481441431 is a deficient number, since it is larger than the sum of its proper divisors (64410521).

1481441431 is an equidigital number, since it uses as much as digits as its factorization.

1481441431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 64410520.

The product of its digits is 6144, while the sum is 31.

The square root of 1481441431 is about 38489.4976714428. The cubic root of 1481441431 is about 1139.9736915546.

The spelling of 1481441431 in words is "one billion, four hundred eighty-one million, four hundred forty-one thousand, four hundred thirty-one".

Divisors: 1 23 64410497 1481441431