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3919842882 = 23449192
BaseRepresentation
bin1110100110100100…
…0000111001000010
3101010011212122120000
43221221000321002
531011434433012
61444543500430
7166065054234
oct35151007102
911104778500
103919842882
111731715a7a
129148b7716
134a6137977
1429284a254
1517e1deddc
hexe9a40e42

3919842882 has 30 divisors (see below), whose sum is σ = 8785137603. Its totient is φ = 1306348668.

The previous prime is 3919842877. The next prime is 3919842887. The reversal of 3919842882 is 2882489193.

It is an interprime number because it is at equal distance from previous prime (3919842877) and next prime (3919842887).

It can be written as a sum of positive squares in only one way, i.e., 1959921441 + 1959921441 = 44271^2 + 44271^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=44271.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (3919842887) 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 14 ways as a sum of consecutive naturals, for example, 794419 + ... + 799337.

Almost surely, 23919842882 is an apocalyptic number.

3919842882 is an abundant number, since it is smaller than the sum of its proper divisors (4865294721).

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

3919842882 is an frugal number, since it uses more digits than its factorization.

3919842882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9852 (or 4924 counting only the distinct ones).

The product of its digits is 1990656, while the sum is 54.

The square root of 3919842882 is about 62608.6486198193. The cubic root of 3919842882 is about 1576.7259664093.

The spelling of 3919842882 in words is "three billion, nine hundred nineteen million, eight hundred forty-two thousand, eight hundred eighty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 4919 9838 14757 29514 44271 88542 132813 265626 398439 796878 24196561 48393122 72589683 145179366 217769049 435538098 653307147 1306614294 1959921441 3919842882