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4312142 = 22156071
BaseRepresentation
bin10000011100110001001110
322010002010222
4100130301032
52100442032
6232231342
751436562
oct20346116
98102128
104312142
11248585a
12153b552
13b7c983
148036a2
155a2a12
hex41cc4e

4312142 has 4 divisors (see below), whose sum is σ = 6468216. Its totient is φ = 2156070.

The previous prime is 4312141. The next prime is 4312153. The reversal of 4312142 is 2412134.

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

It is a self number, because there is not a number n which added to its sum of digits gives 4312142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4312141) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1078034 + ... + 1078037.

It is an arithmetic number, because the mean of its divisors is an integer number (1617054).

Almost surely, 24312142 is an apocalyptic number.

4312142 is a deficient number, since it is larger than the sum of its proper divisors (2156074).

4312142 is a wasteful number, since it uses less digits than its factorization.

4312142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2156073.

The product of its digits is 192, while the sum is 17.

The square root of 4312142 is about 2076.5697676698. The cubic root of 4312142 is about 162.7662475531.

Adding to 4312142 its reverse (2412134), we get a palindrome (6724276).

The spelling of 4312142 in words is "four million, three hundred twelve thousand, one hundred forty-two".

Divisors: 1 2 2156071 4312142