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3888322140 = 2235136747407
BaseRepresentation
bin1110011111000011…
…0001011001011100
3101000222120020020010
43213300301121130
530430402302030
61441500123220
7165233123103
oct34760613134
911028506203
103888322140
111715946a7a
12906236510
1349c74c741
1428c5a303a
1517b5656b0
hexe7c3165c

3888322140 has 48 divisors (see below), whose sum is σ = 10895496192. Its totient is φ = 1036105536.

The previous prime is 3888322121. The next prime is 3888322147. The reversal of 3888322140 is 412238883.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3888322147) 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 15 ways as a sum of consecutive naturals, for example, 58317 + ... + 105723.

It is an arithmetic number, because the mean of its divisors is an integer number (226989504).

Almost surely, 23888322140 is an apocalyptic number.

3888322140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3888322140 is an abundant number, since it is smaller than the sum of its proper divisors (7007174052).

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

3888322140 is a wasteful number, since it uses less digits than its factorization.

3888322140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48786 (or 48784 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 39.

The square root of 3888322140 is about 62356.4121803043. The cubic root of 3888322140 is about 1572.4882635993.

It can be divided in two parts, 3888 and 322140, that added together give a triangular number (326028 = T807).

The spelling of 3888322140 in words is "three billion, eight hundred eighty-eight million, three hundred twenty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 1367 2734 4101 5468 6835 8202 13670 16404 20505 27340 41010 47407 82020 94814 142221 189628 237035 284442 474070 568884 711105 948140 1422210 2844420 64805369 129610738 194416107 259221476 324026845 388832214 648053690 777664428 972080535 1296107380 1944161070 3888322140