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606943940 = 22530347197
BaseRepresentation
bin100100001011010…
…011101011000100
31120022001221120012
4210023103223010
52220334201230
6140120525352
721016636601
oct4413235304
91508057505
10606943940
11291670a69
1214b320858
139898a435
145a8736a8
1538440395
hex242d3ac4

606943940 has 12 divisors (see below), whose sum is σ = 1274582316. Its totient is φ = 242777568.

The previous prime is 606943919. The next prime is 606943949. The reversal of 606943940 is 49349606.

It can be written as a sum of positive squares in 2 ways, for example, as 438567364 + 168376576 = 20942^2 + 12976^2 .

It is a hoax number, since the sum of its digits (41) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (606943949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15173579 + ... + 15173618.

It is an arithmetic number, because the mean of its divisors is an integer number (106215193).

Almost surely, 2606943940 is an apocalyptic number.

It is an amenable number.

606943940 is an abundant number, since it is smaller than the sum of its proper divisors (667638376).

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

606943940 is a wasteful number, since it uses less digits than its factorization.

606943940 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30347206 (or 30347204 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 606943940 is about 24636.2322606360. The cubic root of 606943940 is about 846.6739409409.

The spelling of 606943940 in words is "six hundred six million, nine hundred forty-three thousand, nine hundred forty".

Divisors: 1 2 4 5 10 20 30347197 60694394 121388788 151735985 303471970 606943940