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2153047 = 13295711
BaseRepresentation
bin1000001101101001010111
311001101102111
420031221113
51022344142
6114051451
724205051
oct10155127
94041374
102153047
111240686
12879b87
135a4cc0
144008d1
152c7e17
hex20da57

2153047 has 8 divisors (see below), whose sum is σ = 2399040. Its totient is φ = 1918560.

The previous prime is 2152973. The next prime is 2153051. The reversal of 2153047 is 7403512.

2153047 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 a de Polignac number, because none of the positive numbers 2k-2153047 is a prime.

It is a super-2 number, since 2×21530472 = 9271222768418, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2153057) 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, 2479 + ... + 3232.

It is an arithmetic number, because the mean of its divisors is an integer number (299880).

22153047 is an apocalyptic number.

2153047 is a deficient number, since it is larger than the sum of its proper divisors (245993).

2153047 is a wasteful number, since it uses less digits than its factorization.

2153047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5753.

The product of its (nonzero) digits is 840, while the sum is 22.

The square root of 2153047 is about 1467.3264803717. The cubic root of 2153047 is about 129.1272306017.

Adding to 2153047 its reverse (7403512), we get a palindrome (9556559).

The spelling of 2153047 in words is "two million, one hundred fifty-three thousand, forty-seven".

Divisors: 1 13 29 377 5711 74243 165619 2153047