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2144154 = 23357359
BaseRepresentation
bin1000001011011110011010
311000221020010
420023132122
51022103104
6113542350
724140115
oct10133632
94027203
102144154
111234a31
128749b6
135a0c3c
143db57c
152c5489
hex20b79a

2144154 has 8 divisors (see below), whose sum is σ = 4288320. Its totient is φ = 714716.

The previous prime is 2144143. The next prime is 2144161. The reversal of 2144154 is 4514412.

It is a happy number.

2144154 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.

2144154 is an admirable number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144154.

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, 178674 + ... + 178685.

It is an arithmetic number, because the mean of its divisors is an integer number (536040).

22144154 is an apocalyptic number.

2144154 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.

2144154 is a wasteful number, since it uses less digits than its factorization.

2144154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 357364.

The product of its digits is 640, while the sum is 21.

The square root of 2144154 is about 1464.2930034662. The cubic root of 2144154 is about 128.9492018007.

Adding to 2144154 its reverse (4514412), we get a palindrome (6658566).

The spelling of 2144154 in words is "two million, one hundred forty-four thousand, one hundred fifty-four".

Divisors: 1 2 3 6 357359 714718 1072077 2144154