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4128252 = 223344021
BaseRepresentation
bin1111101111110111111100
321202201220020
433233313330
52024101002
6224252140
750042502
oct17576774
97681806
104128252
11236a687
121471050
13b1706b
14796672
155682bc
hex3efdfc

4128252 has 12 divisors (see below), whose sum is σ = 9632616. Its totient is φ = 1376080.

The previous prime is 4128251. The next prime is 4128253. The reversal of 4128252 is 2528214.

It is an interprime number because it is at equal distance from previous prime (4128251) and next prime (4128253).

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4128251) 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, 171999 + ... + 172022.

It is an arithmetic number, because the mean of its divisors is an integer number (802718).

Almost surely, 24128252 is an apocalyptic number.

It is an amenable number.

4128252 is an abundant number, since it is smaller than the sum of its proper divisors (5504364).

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

4128252 is a wasteful number, since it uses less digits than its factorization.

4128252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344028 (or 344026 counting only the distinct ones).

The product of its digits is 1280, while the sum is 24.

The square root of 4128252 is about 2031.8100304901. The cubic root of 4128252 is about 160.4188504866.

The spelling of 4128252 in words is "four million, one hundred twenty-eight thousand, two hundred fifty-two".

Divisors: 1 2 3 4 6 12 344021 688042 1032063 1376084 2064126 4128252