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620422086 = 231941132739
BaseRepresentation
bin100100111110101…
…110001111000110
31121020102201002210
4210332232033012
52232312001321
6141321444250
721242333514
oct4476561706
91536381083
10620422086
11299237329
12153940686
139b6c917b
145c5814b4
1539703b76
hex24fae3c6

620422086 has 32 divisors (see below), whose sum is σ = 1338019200. Its totient is φ = 191142720.

The previous prime is 620422039. The next prime is 620422087. The reversal of 620422086 is 680224026.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (620422087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 61696 + ... + 71043.

It is an arithmetic number, because the mean of its divisors is an integer number (41813100).

Almost surely, 2620422086 is an apocalyptic number.

620422086 is an abundant number, since it is smaller than the sum of its proper divisors (717597114).

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

620422086 is a wasteful number, since it uses less digits than its factorization.

620422086 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132804.

The product of its (nonzero) digits is 9216, while the sum is 30.

The square root of 620422086 is about 24908.2734447814. The cubic root of 620422086 is about 852.8953563335.

The spelling of 620422086 in words is "six hundred twenty million, four hundred twenty-two thousand, eighty-six".

Divisors: 1 2 3 6 19 38 41 57 82 114 123 246 779 1558 2337 4674 132739 265478 398217 796434 2522041 5044082 5442299 7566123 10884598 15132246 16326897 32653794 103403681 206807362 310211043 620422086