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1131300340 = 225472714441
BaseRepresentation
bin100001101101110…
…0100010111110100
32220211202000022121
41003123210113310
54304103102330
6304131405324
740014615502
oct10333442764
92824660277
101131300340
11530653765
12276a53844
131504bc7b1
14aa369672
15694ba17a
hex436e45f4

1131300340 has 48 divisors (see below), whose sum is σ = 2435779584. Its totient is φ = 441158400.

The previous prime is 1131300323. The next prime is 1131300341. The reversal of 1131300340 is 430031311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1131300341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 252520 + ... + 256960.

It is an arithmetic number, because the mean of its divisors is an integer number (50745408).

Almost surely, 21131300340 is an apocalyptic number.

1131300340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1131300340 is an abundant number, since it is smaller than the sum of its proper divisors (1304479244).

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

1131300340 is a wasteful number, since it uses less digits than its factorization.

1131300340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4768 (or 4766 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1131300340 is about 33634.8084579056. The cubic root of 1131300340 is about 1041.9798147438.

Adding to 1131300340 its reverse (430031311), we get a palindrome (1561331651).

The spelling of 1131300340 in words is "one billion, one hundred thirty-one million, three hundred thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 47 94 188 235 271 470 542 940 1084 1355 2710 4441 5420 8882 12737 17764 22205 25474 44410 50948 63685 88820 127370 208727 254740 417454 834908 1043635 1203511 2087270 2407022 4174540 4814044 6017555 12035110 24070220 56565017 113130034 226260068 282825085 565650170 1131300340