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2133807 = 31354713
BaseRepresentation
bin1000001000111100101111
311000102000220
420020330233
51021240212
6113422423
724065004
oct10107457
94012026
102133807
111228185
1286aa13
13599310
143d78ab
152c238c
hex208f2f

2133807 has 8 divisors (see below), whose sum is σ = 3063984. Its totient is φ = 1313088.

The previous prime is 2133799. The next prime is 2133811. The reversal of 2133807 is 7083312.

2133807 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 not a de Polignac number, because 2133807 - 23 = 2133799 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2133407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27318 + ... + 27395.

It is an arithmetic number, because the mean of its divisors is an integer number (382998).

22133807 is an apocalyptic number.

2133807 is a deficient number, since it is larger than the sum of its proper divisors (930177).

2133807 is a wasteful number, since it uses less digits than its factorization.

2133807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54729.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 2133807 is about 1460.7556263797. The cubic root of 2133807 is about 128.7414447453.

The spelling of 2133807 in words is "two million, one hundred thirty-three thousand, eight hundred seven".

Divisors: 1 3 13 39 54713 164139 711269 2133807