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662020242 = 231370911971
BaseRepresentation
bin100111011101011…
…010000010010010
31201010201010001020
4213131122002102
52323434121432
6145405220310
722256036112
oct4735320222
91633633036
10662020242
1130a769674
12165861696
13a7202270
1463ccd042
153d1be22c
hex2775a092

662020242 has 32 divisors (see below), whose sum is σ = 1428020160. Its totient is φ = 203394240.

The previous prime is 662020241. The next prime is 662020279. The reversal of 662020242 is 242020266.

It is not an unprimeable number, because it can be changed into a prime (662020241) 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, 49317 + ... + 61287.

It is an arithmetic number, because the mean of its divisors is an integer number (44625630).

Almost surely, 2662020242 is an apocalyptic number.

662020242 is an abundant number, since it is smaller than the sum of its proper divisors (765999918).

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

662020242 is a wasteful number, since it uses less digits than its factorization.

662020242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12698.

The product of its (nonzero) digits is 2304, while the sum is 24.

The square root of 662020242 is about 25729.7540213660. The cubic root of 662020242 is about 871.5462184952.

Adding to 662020242 its sum of digits (24), we get a palindrome (662020266).

It can be divided in two parts, 6620 and 20242, that added together give a palindrome (26862).

The spelling of 662020242 in words is "six hundred sixty-two million, twenty thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 709 1418 2127 4254 9217 11971 18434 23942 27651 35913 55302 71826 155623 311246 466869 933738 8487439 16974878 25462317 50924634 110336707 220673414 331010121 662020242