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142043524 = 2275072983
BaseRepresentation
bin10000111011101…
…10100110000100
3100220021120002021
420131312212010
5242330343044
622032252524
73343231030
oct1035664604
9326246067
10142043524
11731a8447
123b6a1144
132357452c
1414c171c0
15c70be84
hex8776984

142043524 has 12 divisors (see below), whose sum is σ = 284087104. Its totient is φ = 60875784.

The previous prime is 142043521. The next prime is 142043543. The reversal of 142043524 is 425340241.

It is a happy number.

142043524 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (142043521) 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, 2536464 + ... + 2536519.

Almost surely, 2142043524 is an apocalyptic number.

142043524 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

142043524 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

142043524 is a wasteful number, since it uses less digits than its factorization.

142043524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5072994 (or 5072992 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 142043524 is about 11918.2013743685. The cubic root of 142043524 is about 521.7636418142.

Adding to 142043524 its reverse (425340241), we get a palindrome (567383765).

It can be divided in two parts, 1420 and 43524, that added together give a palindrome (44944).

The spelling of 142043524 in words is "one hundred forty-two million, forty-three thousand, five hundred twenty-four".

Divisors: 1 2 4 7 14 28 5072983 10145966 20291932 35510881 71021762 142043524