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425536 = 2661109
BaseRepresentation
bin1100111111001000000
3210121201121
41213321000
5102104121
613042024
73421426
oct1477100
9717647
10425536
11270791
12186314
1311b8c7
14b1116
1586141
hex67e40

425536 has 28 divisors (see below), whose sum is σ = 866140. Its totient is φ = 207360.

The previous prime is 425533. The next prime is 425549. The reversal of 425536 is 635524.

It can be written as a sum of positive squares in 2 ways, for example, as 129600 + 295936 = 360^2 + 544^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 425536.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425533) 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, 3850 + ... + 3958.

2425536 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 425536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (433070).

425536 is an abundant number, since it is smaller than the sum of its proper divisors (440604).

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

425536 is a wasteful number, since it uses less digits than its factorization.

425536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 182 (or 172 counting only the distinct ones).

The product of its digits is 3600, while the sum is 25.

The square root of 425536 is about 652.3312042207. The cubic root of 425536 is about 75.2163236029.

It can be divided in two parts, 425 and 536, that added together give a square (961 = 312).

The spelling of 425536 in words is "four hundred twenty-five thousand, five hundred thirty-six".

Divisors: 1 2 4 8 16 32 61 64 109 122 218 244 436 488 872 976 1744 1952 3488 3904 6649 6976 13298 26596 53192 106384 212768 425536