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3888498381 = 32375072
BaseRepresentation
bin1110011111000101…
…1100011011001101
3101000222220011222120
43213301130123031
530430423422011
61441504003153
7165234455655
oct34761343315
911028804876
103888498381
111715a57429
129063004b9
1349c7b1a21
1428c60b365
1517b59ca06
hexe7c5c6cd

3888498381 has 12 divisors (see below), whose sum is σ = 5410805472. Its totient is φ = 2479291848.

The previous prime is 3888498347. The next prime is 3888498389. The reversal of 3888498381 is 1838948883.

It is not a de Polignac number, because 3888498381 - 227 = 3754280653 is a prime.

It is a super-2 number, since 2×38884983812 = 30240839318079242322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888498389) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 514230 + ... + 521736.

It is an arithmetic number, because the mean of its divisors is an integer number (450900456).

Almost surely, 23888498381 is an apocalyptic number.

It is an amenable number.

3888498381 is a deficient number, since it is larger than the sum of its proper divisors (1522307091).

3888498381 is an frugal number, since it uses more digits than its factorization.

3888498381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15040 (or 7533 counting only the distinct ones).

The product of its digits is 10616832, while the sum is 60.

The square root of 3888498381 is about 62357.8253389260. The cubic root of 3888498381 is about 1572.5120212945.

The spelling of 3888498381 in words is "three billion, eight hundred eighty-eight million, four hundred ninety-eight thousand, three hundred eighty-one".

Divisors: 1 3 23 69 7507 22521 172661 517983 56355049 169065147 1296166127 3888498381