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622496 = 2572397
BaseRepresentation
bin10010111111110100000
31011121220102
42113332200
5124404441
621201532
75201600
oct2277640
91147812
10622496
11395766
122602a8
1318a454
14122c00
15c469b
hex97fa0

622496 has 36 divisors (see below), whose sum is σ = 1429218. Its totient is φ = 266112.

The previous prime is 622493. The next prime is 622513. The reversal of 622496 is 694226.

It can be written as a sum of positive squares in only one way, i.e., 490000 + 132496 = 700^2 + 364^2 .

It is not an unprimeable number, because it can be changed into a prime (622493) 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 5 ways as a sum of consecutive naturals, for example, 1370 + ... + 1766.

2622496 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 622496, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (714609).

622496 is an abundant number, since it is smaller than the sum of its proper divisors (806722).

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

622496 is a wasteful number, since it uses less digits than its factorization.

622496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 421 (or 406 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 622496 is about 788.9841570019. The cubic root of 622496 is about 85.3844637150.

The spelling of 622496 in words is "six hundred twenty-two thousand, four hundred ninety-six".

Divisors: 1 2 4 7 8 14 16 28 32 49 56 98 112 196 224 392 397 784 794 1568 1588 2779 3176 5558 6352 11116 12704 19453 22232 38906 44464 77812 88928 155624 311248 622496