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134100245 = 5201713297
BaseRepresentation
bin1111111111000…
…11010100010101
3100100022222221202
413333203110111
5233312201440
621150122245
73215555546
oct777432425
9310288852
10134100245
1169772554
1238ab0385
1321a22b76
1413b4a4cd
15bb8d615
hex7fe3515

134100245 has 8 divisors (see below), whose sum is σ = 161012184. Its totient is φ = 107218944.

The previous prime is 134100223. The next prime is 134100251. The reversal of 134100245 is 542001431.

It can be written as a sum of positive squares in 4 ways, for example, as 3020644 + 131079601 = 1738^2 + 11449^2 .

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 134100245 - 210 = 134099221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 3437 + ... + 16733.

It is an arithmetic number, because the mean of its divisors is an integer number (20126523).

Almost surely, 2134100245 is an apocalyptic number.

It is an amenable number.

134100245 is a deficient number, since it is larger than the sum of its proper divisors (26911939).

134100245 is a wasteful number, since it uses less digits than its factorization.

134100245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15319.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 134100245 is about 11580.1660178082. The cubic root of 134100245 is about 511.8505690321.

Adding to 134100245 its reverse (542001431), we get a palindrome (676101676).

The spelling of 134100245 in words is "one hundred thirty-four million, one hundred thousand, two hundred forty-five".

Divisors: 1 5 2017 10085 13297 66485 26820049 134100245