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133450517 = 233572749
BaseRepresentation
bin1111111010001…
…00101100010101
3100022002222200202
413331010230111
5233130404032
621124150245
73210211364
oct775045425
9308088622
10133450517
1169369392
1238838385
1321856205
1413a1b7db
15bab0d62
hex7f44b15

133450517 has 4 divisors (see below), whose sum is σ = 134023500. Its totient is φ = 132877536.

The previous prime is 133450487. The next prime is 133450519. The reversal of 133450517 is 715054331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 49434961 + 84015556 = 7031^2 + 9166^2 .

It is a cyclic number.

It is not a de Polignac number, because 133450517 - 210 = 133449493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 133450517.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (133450519) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 286142 + ... + 286607.

It is an arithmetic number, because the mean of its divisors is an integer number (33505875).

Almost surely, 2133450517 is an apocalyptic number.

It is an amenable number.

133450517 is a deficient number, since it is larger than the sum of its proper divisors (572983).

133450517 is an equidigital number, since it uses as much as digits as its factorization.

133450517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 572982.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 133450517 is about 11552.0784709939. The cubic root of 133450517 is about 511.0225760199.

The spelling of 133450517 in words is "one hundred thirty-three million, four hundred fifty thousand, five hundred seventeen".

Divisors: 1 233 572749 133450517