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1142130424 = 23713675479
BaseRepresentation
bin100010000010011…
…1000011011111000
32221121010020101211
41010010320123320
54314341133144
6305155452504
740205643211
oct10404703370
92847106354
101142130424
11536780546
1227a5b7134
13152812126
14ab988408
156a409034
hex441386f8

1142130424 has 32 divisors (see below), whose sum is σ = 2177971200. Its totient is φ = 561385440.

The previous prime is 1142130421. The next prime is 1142130463. The reversal of 1142130424 is 4240312411.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 1142130395 and 1142130404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1142130421) 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 7 ways as a sum of consecutive naturals, for example, 205717 + ... + 211195.

It is an arithmetic number, because the mean of its divisors is an integer number (68061600).

Almost surely, 21142130424 is an apocalyptic number.

It is an amenable number.

1142130424 is a deficient number, since it is larger than the sum of its proper divisors (1035840776).

1142130424 is a wasteful number, since it uses less digits than its factorization.

1142130424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5923 (or 5919 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 1142130424 is about 33795.4201630931. The cubic root of 1142130424 is about 1045.2942629557.

Adding to 1142130424 its reverse (4240312411), we get a palindrome (5382442835).

The spelling of 1142130424 in words is "one billion, one hundred forty-two million, one hundred thirty thousand, four hundred twenty-four".

Divisors: 1 2 4 8 71 142 284 367 568 734 1468 2936 5479 10958 21916 26057 43832 52114 104228 208456 389009 778018 1556036 2010793 3112072 4021586 8043172 16086344 142766303 285532606 571065212 1142130424