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133028635 = 5191139297
BaseRepresentation
bin1111110110111…
…01101100011011
3100021022112222111
413323131230123
5233023404020
621111133151
73203503405
oct773355433
9307275874
10133028635
1169100423
12386741b7
132173918c
141394bb75
15ba2ad5a
hex7eddb1b

133028635 has 8 divisors (see below), whose sum is σ = 160471296. Its totient is φ = 105864960.

The previous prime is 133028629. The next prime is 133028639. The reversal of 133028635 is 536820331.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 133028635 - 29 = 133028123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 133028597 and 133028606.

It is not an unprimeable number, because it can be changed into a prime (133028639) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68694 + ... + 70603.

It is an arithmetic number, because the mean of its divisors is an integer number (20058912).

Almost surely, 2133028635 is an apocalyptic number.

133028635 is a deficient number, since it is larger than the sum of its proper divisors (27442661).

133028635 is a wasteful number, since it uses less digits than its factorization.

133028635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139493.

The product of its (nonzero) digits is 12960, while the sum is 31.

The square root of 133028635 is about 11533.8040125537. The cubic root of 133028635 is about 510.4835027699.

Adding to 133028635 its reverse (536820331), we get a palindrome (669848966).

The spelling of 133028635 in words is "one hundred thirty-three million, twenty-eight thousand, six hundred thirty-five".

Divisors: 1 5 191 955 139297 696485 26605727 133028635