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133450105 = 526690021
BaseRepresentation
bin1111111010001…
…00100101111001
3100022002222010111
413331010211321
5233130400410
621124144321
73210210235
oct775044571
9308088114
10133450105
1169369048
12388380a1
1321855c79
1413a1b5c5
15bab0b8a
hex7f44979

133450105 has 4 divisors (see below), whose sum is σ = 160140132. Its totient is φ = 106760080.

The previous prime is 133450067. The next prime is 133450151. The reversal of 133450105 is 501054331.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 501054331 = 1972543423.

It can be written as a sum of positive squares in 2 ways, for example, as 86266944 + 47183161 = 9288^2 + 6869^2 .

It is not a de Polignac number, because 133450105 - 211 = 133448057 is a prime.

It is a super-2 number, since 2×1334501052 = 35617861049022050, which contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13345006 + ... + 13345015.

It is an arithmetic number, because the mean of its divisors is an integer number (40035033).

Almost surely, 2133450105 is an apocalyptic number.

It is an amenable number.

133450105 is a deficient number, since it is larger than the sum of its proper divisors (26690027).

133450105 is an equidigital number, since it uses as much as digits as its factorization.

133450105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26690026.

The product of its (nonzero) digits is 900, while the sum is 22.

The square root of 133450105 is about 11552.0606386913. The cubic root of 133450105 is about 511.0220501283.

The spelling of 133450105 in words is "one hundred thirty-three million, four hundred fifty thousand, one hundred five".

Divisors: 1 5 26690021 133450105