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425243124 = 223229407321
BaseRepresentation
bin11001010110001…
…011000111110100
31002122011120220100
4121112023013310
51332330234444
6110110234100
713352335605
oct3126130764
91078146810
10425243124
111a90474a9
12ba4b5930
136a13c367
1440695dac
15274ece69
hex1958b1f4

425243124 has 36 divisors (see below), whose sum is σ = 1111989060. Its totient is φ = 136859520.

The previous prime is 425243111. The next prime is 425243129. The reversal of 425243124 is 421342524.

It can be written as a sum of positive squares in 2 ways, for example, as 334231524 + 91011600 = 18282^2 + 9540^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425243129) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202617 + ... + 204704.

It is an arithmetic number, because the mean of its divisors is an integer number (30888585).

Almost surely, 2425243124 is an apocalyptic number.

It is an amenable number.

425243124 is an abundant number, since it is smaller than the sum of its proper divisors (686745936).

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

425243124 is a wasteful number, since it uses less digits than its factorization.

425243124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 407360 (or 407355 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 425243124 is about 20621.4239081592. The cubic root of 425243124 is about 751.9906371439.

Adding to 425243124 its reverse (421342524), we get a palindrome (846585648).

The spelling of 425243124 in words is "four hundred twenty-five million, two hundred forty-three thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 29 36 58 87 116 174 261 348 522 1044 407321 814642 1221963 1629284 2443926 3665889 4887852 7331778 11812309 14663556 23624618 35436927 47249236 70873854 106310781 141747708 212621562 425243124