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133630750 = 2531148593
BaseRepresentation
bin1111111011100…
…00101100011110
3100022110010221001
413331300230132
5233202141000
621132100514
73211562011
oct775605436
9308403831
10133630750
1169481840
123890473a
13218ba266
1413a67378
15bae946a
hex7f70b1e

133630750 has 32 divisors (see below), whose sum is σ = 272903904. Its totient is φ = 48592000.

The previous prime is 133630723. The next prime is 133630751. The reversal of 133630750 is 57036331.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133630751) 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, 21547 + ... + 27046.

It is an arithmetic number, because the mean of its divisors is an integer number (8528247).

Almost surely, 2133630750 is an apocalyptic number.

133630750 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133630750 is an abundant number, since it is smaller than the sum of its proper divisors (139273154).

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

133630750 is a wasteful number, since it uses less digits than its factorization.

133630750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48621 (or 48611 counting only the distinct ones).

The product of its (nonzero) digits is 5670, while the sum is 28.

The square root of 133630750 is about 11559.8767294466. The cubic root of 133630750 is about 511.2525281686.

The spelling of 133630750 in words is "one hundred thirty-three million, six hundred thirty thousand, seven hundred fifty".

Divisors: 1 2 5 10 11 22 25 50 55 110 125 250 275 550 1375 2750 48593 97186 242965 485930 534523 1069046 1214825 2429650 2672615 5345230 6074125 12148250 13363075 26726150 66815375 133630750