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1442343434 = 27891157579
BaseRepresentation
bin101010111111000…
…0110101000001010
310201112000122020012
41111332012220022
510423214442214
6355042231522
750512500620
oct12576065012
93645018205
101442343434
1168018aa74
123430555a2
1319ca85b6c
14d97b5510
158695b03e
hex55f86a0a

1442343434 has 16 divisors (see below), whose sum is σ = 2500372800. Its totient is φ = 611201184.

The previous prime is 1442343421. The next prime is 1442343437. The reversal of 1442343434 is 4343432441.

It is a super-3 number, since 3×14423434343 (a number of 28 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1442343434.

It is not an unprimeable number, because it can be changed into a prime (1442343437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 577544 + ... + 580035.

It is an arithmetic number, because the mean of its divisors is an integer number (156273300).

Almost surely, 21442343434 is an apocalyptic number.

1442343434 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

1442343434 is a deficient number, since it is larger than the sum of its proper divisors (1058029366).

1442343434 is a wasteful number, since it uses less digits than its factorization.

1442343434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1157677.

The product of its digits is 55296, while the sum is 32.

The square root of 1442343434 is about 37978.1968239673. The cubic root of 1442343434 is about 1129.8554737237.

Adding to 1442343434 its reverse (4343432441), we get a palindrome (5785775875).

The spelling of 1442343434 in words is "one billion, four hundred forty-two million, three hundred forty-three thousand, four hundred thirty-four".

Divisors: 1 2 7 14 89 178 623 1246 1157579 2315158 8103053 16206106 103024531 206049062 721171717 1442343434