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2144401 = 71132711
BaseRepresentation
bin1000001011100010010001
311000221120021
420023202101
51022110101
6113543441
724140620
oct10134221
94027507
102144401
111235136
12874b81
135a109c
143db6b7
152c55a1
hex20b891

2144401 has 8 divisors (see below), whose sum is σ = 2473344. Its totient is φ = 1821120.

The previous prime is 2144399. The next prime is 2144407. The reversal of 2144401 is 1044412.

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

It is not a de Polignac number, because 2144401 - 21 = 2144399 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2144407) 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, 565 + ... + 2146.

It is an arithmetic number, because the mean of its divisors is an integer number (309168).

22144401 is an apocalyptic number.

It is an amenable number.

2144401 is a deficient number, since it is larger than the sum of its proper divisors (328943).

2144401 is a wasteful number, since it uses less digits than its factorization.

2144401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2831.

The product of its (nonzero) digits is 128, while the sum is 16.

The square root of 2144401 is about 1464.3773420809. The cubic root of 2144401 is about 128.9541531288.

Adding to 2144401 its reverse (1044412), we get a palindrome (3188813).

The spelling of 2144401 in words is "two million, one hundred forty-four thousand, four hundred one".

Divisors: 1 7 113 791 2711 18977 306343 2144401