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4252144 = 241320443
BaseRepresentation
bin10000001110000111110000
322000000211211
4100032013300
52042032034
6231045504
751066631
oct20160760
98000754
104252144
112444776
121510894
13b5b580
147c9888
1558ed64
hex40e1f0

4252144 has 20 divisors (see below), whose sum is σ = 8872696. Its totient is φ = 1962432.

The previous prime is 4252123. The next prime is 4252147. The reversal of 4252144 is 4412524.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4252147) 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, 10014 + ... + 10429.

Almost surely, 24252144 is an apocalyptic number.

It is an amenable number.

4252144 is an abundant number, since it is smaller than the sum of its proper divisors (4620552).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4252144 is a wasteful number, since it uses less digits than its factorization.

4252144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20464 (or 20458 counting only the distinct ones).

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

The square root of 4252144 is about 2062.0727436247. The cubic root of 4252144 is about 162.0078236327.

Adding to 4252144 its reverse (4412524), we get a palindrome (8664668).

The spelling of 4252144 in words is "four million, two hundred fifty-two thousand, one hundred forty-four".

Divisors: 1 2 4 8 13 16 26 52 104 208 20443 40886 81772 163544 265759 327088 531518 1063036 2126072 4252144