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6655422 = 235320929
BaseRepresentation
bin11001011000110110111110
3110112010112010
4121120312332
53200433142
6354352050
7110366364
oct31306676
913463463
106655422
113836354
12228b626
1314c0427
14c53634
158b6e9c
hex658dbe

6655422 has 16 divisors (see below), whose sum is σ = 13562640. Its totient is φ = 2176512.

The previous prime is 6655409. The next prime is 6655423. The reversal of 6655422 is 2245566.

It is a d-powerful number, because it can be written as 63 + 68 + 58 + 58 + 4 + 25 + 222 .

It is a nialpdrome in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 6655422.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6655423) 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, 10147 + ... + 10782.

It is an arithmetic number, because the mean of its divisors is an integer number (847665).

Almost surely, 26655422 is an apocalyptic number.

6655422 is an abundant number, since it is smaller than the sum of its proper divisors (6907218).

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

6655422 is a wasteful number, since it uses less digits than its factorization.

6655422 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20987.

The product of its digits is 14400, while the sum is 30.

The square root of 6655422 is about 2579.8104581539. The cubic root of 6655422 is about 188.1013298622.

The spelling of 6655422 in words is "six million, six hundred fifty-five thousand, four hundred twenty-two".

Divisors: 1 2 3 6 53 106 159 318 20929 41858 62787 125574 1109237 2218474 3327711 6655422