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1145331124 = 22782149823
BaseRepresentation
bin100010001000100…
…0101110110110100
32221211010211221021
41010101011312310
54321201043444
6305352230524
740245103540
oct10421056664
92854124837
101145331124
11538567253
1227b69b444
13153392c32
14ac17ca20
156a83c584
hex44445db4

1145331124 has 24 divisors (see below), whose sum is σ = 2293498368. Its totient is φ = 490248480.

The previous prime is 1145331119. The next prime is 1145331137. The reversal of 1145331124 is 4211335411.

It is a congruent number.

It is an unprimeable number.

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, 1924 + ... + 47899.

It is an arithmetic number, because the mean of its divisors is an integer number (95562432).

Almost surely, 21145331124 is an apocalyptic number.

1145331124 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1145331124 is an abundant number, since it is smaller than the sum of its proper divisors (1148167244).

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

1145331124 is a wasteful number, since it uses less digits than its factorization.

1145331124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50655 (or 50653 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 1145331124 is about 33842.7410828378. The cubic root of 1145331124 is about 1046.2697945398.

Adding to 1145331124 its reverse (4211335411), we get a palindrome (5356666535).

The spelling of 1145331124 in words is "one billion, one hundred forty-five million, three hundred thirty-one thousand, one hundred twenty-four".

Divisors: 1 2 4 7 14 28 821 1642 3284 5747 11494 22988 49823 99646 199292 348761 697522 1395044 40904683 81809366 163618732 286332781 572665562 1145331124