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2425444 = 227292103
BaseRepresentation
bin1001010000001001100100
311120020002021
421100021210
51110103234
6123552524
726421160
oct11201144
94506067
102425444
1114072aa
1298b744
1366bc98
14471ca0
1532d9b4
hex250264

2425444 has 36 divisors (see below), whose sum is σ = 5072704. Its totient is φ = 993888.

The previous prime is 2425433. The next prime is 2425447. The reversal of 2425444 is 4445242.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2425447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23497 + ... + 23599.

22425444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2425444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2536352).

2425444 is an abundant number, since it is smaller than the sum of its proper divisors (2647260).

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

2425444 is a wasteful number, since it uses less digits than its factorization.

2425444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172 (or 141 counting only the distinct ones).

The product of its digits is 5120, while the sum is 25.

The square root of 2425444 is about 1557.3837035233. The cubic root of 2425444 is about 134.3580681028.

The spelling of 2425444 in words is "two million, four hundred twenty-five thousand, four hundred forty-four".

Divisors: 1 2 4 7 14 28 29 58 103 116 203 206 406 412 721 812 841 1442 1682 2884 2987 3364 5887 5974 11774 11948 20909 23548 41818 83636 86623 173246 346492 606361 1212722 2425444