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425488 = 24729131
BaseRepresentation
bin1100111111000010000
3210121122211
41213320100
5102103423
613041504
73421330
oct1477020
9717584
10425488
11270748
12186294
1311b88b
14b10c0
158610d
hex67e10

425488 has 40 divisors (see below), whose sum is σ = 982080. Its totient is φ = 174720.

The previous prime is 425473. The next prime is 425489. The reversal of 425488 is 884524.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (425489) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3183 + ... + 3313.

It is an arithmetic number, because the mean of its divisors is an integer number (24552).

2425488 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 425488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (491040).

425488 is an abundant number, since it is smaller than the sum of its proper divisors (556592).

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

425488 is a wasteful number, since it uses less digits than its factorization.

425488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175 (or 169 counting only the distinct ones).

The product of its digits is 10240, while the sum is 31.

The square root of 425488 is about 652.2944120564. The cubic root of 425488 is about 75.2134953900.

The spelling of 425488 in words is "four hundred twenty-five thousand, four hundred eighty-eight".

Divisors: 1 2 4 7 8 14 16 28 29 56 58 112 116 131 203 232 262 406 464 524 812 917 1048 1624 1834 2096 3248 3668 3799 7336 7598 14672 15196 26593 30392 53186 60784 106372 212744 425488