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1424544231 = 31197445031
BaseRepresentation
bin101010011101000…
…1101000111100111
310200021112100022110
41110322031013213
510404140403411
6353204532103
750205266115
oct12472150747
93607470273
101424544231
11671133190
123390b1033
131991933a6
14d72a0ab5
15850e22a6
hex54e8d1e7

1424544231 has 16 divisors (see below), whose sum is σ = 2093430528. Its totient is φ = 854457600.

The previous prime is 1424544227. The next prime is 1424544239. The reversal of 1424544231 is 1324454241.

It is not a de Polignac number, because 1424544231 - 22 = 1424544227 is a prime.

It is a super-2 number, since 2×14245442312 = 4058652532150762722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1424544239) 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 15 ways as a sum of consecutive naturals, for example, 219315 + ... + 225716.

It is an arithmetic number, because the mean of its divisors is an integer number (130839408).

Almost surely, 21424544231 is an apocalyptic number.

1424544231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

1424544231 is a deficient number, since it is larger than the sum of its proper divisors (668886297).

1424544231 is a wasteful number, since it uses less digits than its factorization.

1424544231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 445142.

The product of its digits is 15360, while the sum is 30.

The square root of 1424544231 is about 37743.1348856981. The cubic root of 1424544231 is about 1125.1885724391.

Adding to 1424544231 its reverse (1324454241), we get a palindrome (2748998472).

The spelling of 1424544231 in words is "one billion, four hundred twenty-four million, five hundred forty-four thousand, two hundred thirty-one".

Divisors: 1 3 11 33 97 291 1067 3201 445031 1335093 4895341 14686023 43168007 129504021 474848077 1424544231