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133354930 = 2589149837
BaseRepresentation
bin1111111001011…
…01010110110010
3100021221010120111
413330231112302
5233114324210
621122131534
73206332612
oct774552662
9307833514
10133354930
1169303595
12387b0baa
1321821857
14139d4a42
15ba9288a
hex7f2d5b2

133354930 has 16 divisors (see below), whose sum is σ = 242737560. Its totient is φ = 52742272.

The previous prime is 133354889. The next prime is 133354937. The reversal of 133354930 is 39453331.

It can be written as a sum of positive squares in 4 ways, for example, as 120802081 + 12552849 = 10991^2 + 3543^2 .

It is a junction number, because it is equal to n+sod(n) for n = 133354892 and 133354901.

It is not an unprimeable number, because it can be changed into a prime (133354937) 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 7 ways as a sum of consecutive naturals, for example, 74029 + ... + 75808.

Almost surely, 2133354930 is an apocalyptic number.

133354930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133354930 is a deficient number, since it is larger than the sum of its proper divisors (109382630).

133354930 is a wasteful number, since it uses less digits than its factorization.

133354930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 149933.

The product of its (nonzero) digits is 14580, while the sum is 31.

The square root of 133354930 is about 11547.9405090258. The cubic root of 133354930 is about 510.9005363222.

The spelling of 133354930 in words is "one hundred thirty-three million, three hundred fifty-four thousand, nine hundred thirty".

Divisors: 1 2 5 10 89 178 445 890 149837 299674 749185 1498370 13335493 26670986 66677465 133354930