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1131234244 = 22740401223
BaseRepresentation
bin100001101101101…
…0100001111000100
32220211121122122121
41003123110033010
54304043443434
6304130135324
740014222010
oct10333241704
92824548577
101131234244
11530609038
12276a21544
1315049869a
14aa34d540
15694a57b4
hex436d43c4

1131234244 has 12 divisors (see below), whose sum is σ = 2262468544. Its totient is φ = 484814664.

The previous prime is 1131234197. The next prime is 1131234283. The reversal of 1131234244 is 4424321311.

1131234244 is an admirable number.

It is a hoax number, since the sum of its digits (25) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20200584 + ... + 20200639.

Almost surely, 21131234244 is an apocalyptic number.

1131234244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

1131234244 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.

1131234244 is a wasteful number, since it uses less digits than its factorization.

1131234244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40401234 (or 40401232 counting only the distinct ones).

The product of its digits is 2304, while the sum is 25.

The square root of 1131234244 is about 33633.8258900173. The cubic root of 1131234244 is about 1041.9595218599.

Adding to 1131234244 its reverse (4424321311), we get a palindrome (5555555555).

The spelling of 1131234244 in words is "one billion, one hundred thirty-one million, two hundred thirty-four thousand, two hundred forty-four".

Divisors: 1 2 4 7 14 28 40401223 80802446 161604892 282808561 565617122 1131234244