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13280867 = 192330391
BaseRepresentation
bin110010101010…
…011001100011
3220222201220222
4302222121203
511344441432
61152353255
7220612505
oct62523143
926881828
1013280867
117551126
12454582b
1329a0002
141a99d75
151275112
hexcaa663

13280867 has 8 divisors (see below), whose sum is σ = 14588160. Its totient is φ = 12034440.

The previous prime is 13280863. The next prime is 13280873. The reversal of 13280867 is 76808231.

13280867 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 13280867 - 22 = 13280863 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is not an unprimeable number, because it can be changed into a prime (13280863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14759 + ... + 15632.

It is an arithmetic number, because the mean of its divisors is an integer number (1823520).

Almost surely, 213280867 is an apocalyptic number.

13280867 is a deficient number, since it is larger than the sum of its proper divisors (1307293).

13280867 is a wasteful number, since it uses less digits than its factorization.

13280867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30433.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 13280867 is about 3644.2923867330. The cubic root of 13280867 is about 236.8147828590.

The spelling of 13280867 in words is "thirteen million, two hundred eighty thousand, eight hundred sixty-seven".

Divisors: 1 19 23 437 30391 577429 698993 13280867