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495420 = 223523359
BaseRepresentation
bin1111000111100111100
3221011120220
41320330330
5111323140
614341340
74132242
oct1707474
9834526
10495420
11309242
121ba850
13144663
14cc792
159bbd0
hex78f3c

495420 has 48 divisors (see below), whose sum is σ = 1451520. Its totient is φ = 126016.

The previous prime is 495413. The next prime is 495421. The reversal of 495420 is 24594.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (495421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1201 + ... + 1559.

It is an arithmetic number, because the mean of its divisors is an integer number (30240).

2495420 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 495420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760).

495420 is an abundant number, since it is smaller than the sum of its proper divisors (956100).

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

495420 is a wasteful number, since it uses less digits than its factorization.

495420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 394 (or 392 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 495420 is about 703.8607816891. The cubic root of 495420 is about 79.1269656278.

The spelling of 495420 in words is "four hundred ninety-five thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 23 30 46 60 69 92 115 138 230 276 345 359 460 690 718 1077 1380 1436 1795 2154 3590 4308 5385 7180 8257 10770 16514 21540 24771 33028 41285 49542 82570 99084 123855 165140 247710 495420