Search a number
-
+
2145054 = 23357509
BaseRepresentation
bin1000001011101100011110
311000222110110
420023230132
51022120204
6113550450
724142542
oct10135436
94028413
102145054
11123567a
12875426
135a1482
143dba22
152c5889
hex20bb1e

2145054 has 8 divisors (see below), whose sum is σ = 4290120. Its totient is φ = 715016.

The previous prime is 2145047. The next prime is 2145067. The reversal of 2145054 is 4505412.

2145054 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.

2145054 is an admirable number.

It is an alternating number because its digits alternate between even and odd.

It is a Curzon number.

It is a plaindrome in base 11.

It is a self number, because there is not a number n which added to its sum of digits gives 2145054.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 178749 + ... + 178760.

It is an arithmetic number, because the mean of its divisors is an integer number (536265).

22145054 is an apocalyptic number.

2145054 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2145054 is a wasteful number, since it uses less digits than its factorization.

2145054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357514.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 2145054 is about 1464.6002867677. The cubic root of 2145054 is about 128.9672412461.

The spelling of 2145054 in words is "two million, one hundred forty-five thousand, fifty-four".

Divisors: 1 2 3 6 357509 715018 1072527 2145054