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2144042 = 22514271
BaseRepresentation
bin1000001011011100101010
311000221001222
420023130222
51022102132
6113542042
724136565
oct10133452
94027058
102144042
11123493a
12874922
135a0b84
143db4dc
152c5412
hex20b72a

2144042 has 8 divisors (see below), whose sum is σ = 3229632. Its totient is φ = 1067500.

The previous prime is 2144041. The next prime is 2144047. The reversal of 2144042 is 2404412.

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

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 2144042.

It is not an unprimeable number, because it can be changed into a prime (2144041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1634 + ... + 2637.

It is an arithmetic number, because the mean of its divisors is an integer number (403704).

22144042 is an apocalyptic number.

2144042 is a deficient number, since it is larger than the sum of its proper divisors (1085590).

2144042 is a wasteful number, since it uses less digits than its factorization.

2144042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4524.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 2144042 is about 1464.2547592547. The cubic root of 2144042 is about 128.9469565387.

Adding to 2144042 its reverse (2404412), we get a palindrome (4548454).

The spelling of 2144042 in words is "two million, one hundred forty-four thousand, forty-two".

Divisors: 1 2 251 502 4271 8542 1072021 2144042