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425524 = 221119509
BaseRepresentation
bin1100111111000110100
3210121201011
41213320310
5102104044
613042004
73421411
oct1477064
9717634
10425524
11270780
12186304
1311b8b8
14b1108
1586134
hex67e34

425524 has 24 divisors (see below), whose sum is σ = 856800. Its totient is φ = 182880.

The previous prime is 425521. The next prime is 425533.

425524 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 425495 and 425504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 582 + ... + 1090.

It is an arithmetic number, because the mean of its divisors is an integer number (35700).

2425524 is an apocalyptic number.

425524 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

425524 is an abundant number, since it is smaller than the sum of its proper divisors (431276).

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

425524 is a wasteful number, since it uses less digits than its factorization.

425524 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543 (or 541 counting only the distinct ones).

The product of its digits is 1600, while the sum is 22.

The square root of 425524 is about 652.3220063742. The cubic root of 425524 is about 75.2156165696.

It can be divided in two parts, 425 and 524, that added together give a palindrome (949).

The spelling of 425524 in words is "four hundred twenty-five thousand, five hundred twenty-four".

Divisors: 1 2 4 11 19 22 38 44 76 209 418 509 836 1018 2036 5599 9671 11198 19342 22396 38684 106381 212762 425524