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2144435 = 51922573
BaseRepresentation
bin1000001011100010110011
311000221121112
420023202303
51022110220
6113543535
724140666
oct10134263
94027545
102144435
111235167
12874bab
135a10c7
143db6dd
152c55c5
hex20b8b3

2144435 has 8 divisors (see below), whose sum is σ = 2708880. Its totient is φ = 1625184.

The previous prime is 2144419. The next prime is 2144437. The reversal of 2144435 is 5344412.

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

It is not a de Polignac number, because 2144435 - 24 = 2144419 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2144435.

It is not an unprimeable number, because it can be changed into a prime (2144437) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11192 + ... + 11381.

It is an arithmetic number, because the mean of its divisors is an integer number (338610).

22144435 is an apocalyptic number.

2144435 is a deficient number, since it is larger than the sum of its proper divisors (564445).

2144435 is a wasteful number, since it uses less digits than its factorization.

2144435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22597.

The product of its digits is 1920, while the sum is 23.

The square root of 2144435 is about 1464.3889510646. The cubic root of 2144435 is about 128.9548346583.

Subtracting from 2144435 its sum of digits (23), we obtain a palindrome (2144412).

Adding to 2144435 its reverse (5344412), we get a palindrome (7488847).

The spelling of 2144435 in words is "two million, one hundred forty-four thousand, four hundred thirty-five".

Divisors: 1 5 19 95 22573 112865 428887 2144435