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1142342344 = 231113998551
BaseRepresentation
bin100010000010110…
…1100001011001000
32221121112000002201
41010011230023020
54314414423334
6305204205544
740210515103
oct10405541310
92847460081
101142342344
11536905790
1227a6998b4
13152887720
14aba0173a
156a44bc14
hex4416c2c8

1142342344 has 32 divisors (see below), whose sum is σ = 2516351040. Its totient is φ = 479304000.

The previous prime is 1142342321. The next prime is 1142342347. The reversal of 1142342344 is 4432432411.

It is not an unprimeable number, because it can be changed into a prime (1142342347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 498132 + ... + 500419.

It is an arithmetic number, because the mean of its divisors is an integer number (78635970).

Almost surely, 21142342344 is an apocalyptic number.

It is an amenable number.

1142342344 is an abundant number, since it is smaller than the sum of its proper divisors (1374008696).

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

1142342344 is a wasteful number, since it uses less digits than its factorization.

1142342344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 998581 (or 998577 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 1142342344 is about 33798.5553537426. Note that the first 3 decimals coincide. The cubic root of 1142342344 is about 1045.3589097060.

Adding to 1142342344 its reverse (4432432411), we get a palindrome (5574774755).

The spelling of 1142342344 in words is "one billion, one hundred forty-two million, three hundred forty-two thousand, three hundred forty-four".

Divisors: 1 2 4 8 11 13 22 26 44 52 88 104 143 286 572 1144 998551 1997102 3994204 7988408 10984061 12981163 21968122 25962326 43936244 51924652 87872488 103849304 142792793 285585586 571171172 1142342344