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4897970646 = 231276427783
BaseRepresentation
bin1001000111111000…
…10001100111010110
3110122100101200121020
410203330101213112
540012340030041
62130004302010
7232243030542
oct44374214726
913570350536
104897970646
11209385a928
12b483a1906
136009874aa
14346702a22
151da000866
hex123f119d6

4897970646 has 16 divisors (see below), whose sum is σ = 9873076224. Its totient is φ = 1619801064.

The previous prime is 4897970633. The next prime is 4897970647. The reversal of 4897970646 is 6460797984.

It is a self number, because there is not a number n which added to its sum of digits gives 4897970646.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4897970647) 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 7 ways as a sum of consecutive naturals, for example, 3213130 + ... + 3214653.

It is an arithmetic number, because the mean of its divisors is an integer number (617067264).

Almost surely, 24897970646 is an apocalyptic number.

4897970646 is an abundant number, since it is smaller than the sum of its proper divisors (4975105578).

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

4897970646 is a wasteful number, since it uses less digits than its factorization.

4897970646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6427915.

The product of its (nonzero) digits is 18289152, while the sum is 60.

The square root of 4897970646 is about 69985.5031131448. The cubic root of 4897970646 is about 1698.2647398470.

The spelling of 4897970646 in words is "four billion, eight hundred ninety-seven million, nine hundred seventy thousand, six hundred forty-six".

Divisors: 1 2 3 6 127 254 381 762 6427783 12855566 19283349 38566698 816328441 1632656882 2448985323 4897970646