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13292065 = 53771849
BaseRepresentation
bin110010101101…
…001000100001
3221000022021201
4302231020201
511400321230
61152521201
7220660243
oct62551041
927008251
1013292065
117559586
124550201
1329a5137
141aa0093
1512785ca
hexcad221

13292065 has 8 divisors (see below), whose sum is σ = 16381800. Its totient is φ = 10346112.

The previous prime is 13292057. The next prime is 13292089. The reversal of 13292065 is 56029231.

It can be written as a sum of positive squares in 4 ways, for example, as 8456464 + 4835601 = 2908^2 + 2199^2 .

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 13292065 - 23 = 13292057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35740 + ... + 36109.

It is an arithmetic number, because the mean of its divisors is an integer number (2047725).

Almost surely, 213292065 is an apocalyptic number.

It is an amenable number.

13292065 is a deficient number, since it is larger than the sum of its proper divisors (3089735).

13292065 is an equidigital number, since it uses as much as digits as its factorization.

13292065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71891.

The product of its (nonzero) digits is 3240, while the sum is 28.

The square root of 13292065 is about 3645.8284380920. The cubic root of 13292065 is about 236.8813223645.

The spelling of 13292065 in words is "thirteen million, two hundred ninety-two thousand, sixty-five".

Divisors: 1 5 37 185 71849 359245 2658413 13292065