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133695481 = 2329200443
BaseRepresentation
bin1111111100000…
…00011111111001
3100022120102201111
413332000133321
5233211223411
621133320321
73212251513
oct776003771
9308512644
10133695481
1169516437
12389360a1
132191086a
1413a82bb3
15bb0d721
hex7f807f9

133695481 has 8 divisors (see below), whose sum is σ = 144319680. Its totient is φ = 123472272.

The previous prime is 133695451. The next prime is 133695491. The reversal of 133695481 is 184596331.

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

It is a cyclic number.

It is not a de Polignac number, because 133695481 - 25 = 133695449 is a prime.

It is a super-2 number, since 2×1336954812 = 35748963279642722, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (133695451) 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, 99555 + ... + 100888.

It is an arithmetic number, because the mean of its divisors is an integer number (18039960).

Almost surely, 2133695481 is an apocalyptic number.

It is an amenable number.

133695481 is a deficient number, since it is larger than the sum of its proper divisors (10624199).

133695481 is a wasteful number, since it uses less digits than its factorization.

133695481 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200495.

The product of its digits is 77760, while the sum is 40.

The square root of 133695481 is about 11562.6762040628. The cubic root of 133695481 is about 511.3350654221.

The spelling of 133695481 in words is "one hundred thirty-three million, six hundred ninety-five thousand, four hundred eighty-one".

Divisors: 1 23 29 667 200443 4610189 5812847 133695481