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4254142 = 22127071
BaseRepresentation
bin10000001110100110111110
322000010120211
4100032212332
52042113032
6231103034
751105514
oct20164676
98003524
104254142
112446222
121511a7a
13b5c459
147ca4b4
15590747
hex40e9be

4254142 has 4 divisors (see below), whose sum is σ = 6381216. Its totient is φ = 2127070.

The previous prime is 4254139. The next prime is 4254163. The reversal of 4254142 is 2414524.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (22) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1063534 + ... + 1063537.

It is an arithmetic number, because the mean of its divisors is an integer number (1595304).

Almost surely, 24254142 is an apocalyptic number.

4254142 is a deficient number, since it is larger than the sum of its proper divisors (2127074).

4254142 is a wasteful number, since it uses less digits than its factorization.

4254142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2127073.

The product of its digits is 1280, while the sum is 22.

The square root of 4254142 is about 2062.5571507233. The cubic root of 4254142 is about 162.0331944375.

Adding to 4254142 its reverse (2414524), we get a palindrome (6668666).

The spelling of 4254142 in words is "four million, two hundred fifty-four thousand, one hundred forty-two".

Divisors: 1 2 2127071 4254142