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1130305452 = 2231737149749
BaseRepresentation
bin100001101011111…
…0001011110101100
32220202212110120220
41003113301132230
54303324233302
6304054211340
740003303113
oct10327613654
92822773526
101130305452
11530034241
12276653b50
131502319c3
14aa18ac7a
15693704bc
hex435f17ac

1130305452 has 48 divisors (see below), whose sum is σ = 2868012000. Its totient is φ = 345019392.

The previous prime is 1130305441. The next prime is 1130305453. The reversal of 1130305452 is 2545030311.

It is not an unprimeable number, because it can be changed into a prime (1130305453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67327 + ... + 82422.

It is an arithmetic number, because the mean of its divisors is an integer number (59750250).

Almost surely, 21130305452 is an apocalyptic number.

1130305452 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1130305452 is an abundant number, since it is smaller than the sum of its proper divisors (1737706548).

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

1130305452 is a wasteful number, since it uses less digits than its factorization.

1130305452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149810 (or 149808 counting only the distinct ones).

The product of its (nonzero) digits is 1800, while the sum is 24.

The square root of 1130305452 is about 33620.0156454455. The cubic root of 1130305452 is about 1041.6742792432.

Adding to 1130305452 its reverse (2545030311), we get a palindrome (3675335763).

The spelling of 1130305452 in words is "one billion, one hundred thirty million, three hundred five thousand, four hundred fifty-two".

Divisors: 1 2 3 4 6 12 17 34 37 51 68 74 102 111 148 204 222 444 629 1258 1887 2516 3774 7548 149749 299498 449247 598996 898494 1796988 2545733 5091466 5540713 7637199 10182932 11081426 15274398 16622139 22162852 30548796 33244278 66488556 94192121 188384242 282576363 376768484 565152726 1130305452