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2150369 = 13533121
BaseRepresentation
bin1000001100111111100001
311001020202022
420030333201
51022302434
6114031225
724164204
oct10147741
94036668
102150369
111239671
12878515
135a3a10
143dd93b
152c722e
hex20cfe1

2150369 has 8 divisors (see below), whose sum is σ = 2360232. Its totient is φ = 1946880.

The previous prime is 2150353. The next prime is 2150383. The reversal of 2150369 is 9630512.

2150369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 10000 + 2140369 = 100^2 + 1463^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2150369 - 24 = 2150353 is a prime.

It is a super-2 number, since 2×21503692 = 9248173672322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2150399) 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, 872 + ... + 2249.

It is an arithmetic number, because the mean of its divisors is an integer number (295029).

22150369 is an apocalyptic number.

It is an amenable number.

2150369 is a deficient number, since it is larger than the sum of its proper divisors (209863).

2150369 is a wasteful number, since it uses less digits than its factorization.

2150369 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3187.

The product of its (nonzero) digits is 1620, while the sum is 26.

The square root of 2150369 is about 1466.4136524187. The cubic root of 2150369 is about 129.0736714373.

The spelling of 2150369 in words is "two million, one hundred fifty thousand, three hundred sixty-nine".

Divisors: 1 13 53 689 3121 40573 165413 2150369