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382755138 = 23177735899
BaseRepresentation
bin10110110100000…
…110000101000010
3222200012222100020
4112310012011002
51240441131023
6101551434310
712325236123
oct2664060502
9880188306
10382755138
11187067667
12a8225996
13613b423c
1438b9604a
1523908de3
hex16d06142

382755138 has 16 divisors (see below), whose sum is σ = 765962400. Its totient is φ = 127509696.

The previous prime is 382755127. The next prime is 382755143. The reversal of 382755138 is 831557283.

It is a self number, because there is not a number n which added to its sum of digits gives 382755138.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7288 + ... + 28611.

It is an arithmetic number, because the mean of its divisors is an integer number (47872650).

Almost surely, 2382755138 is an apocalyptic number.

382755138 is an abundant number, since it is smaller than the sum of its proper divisors (383207262).

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

382755138 is a wasteful number, since it uses less digits than its factorization.

382755138 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37681.

The product of its digits is 201600, while the sum is 42.

The square root of 382755138 is about 19564.1288587046. The cubic root of 382755138 is about 726.0619478289.

The spelling of 382755138 in words is "three hundred eighty-two million, seven hundred fifty-five thousand, one hundred thirty-eight".

Divisors: 1 2 3 6 1777 3554 5331 10662 35899 71798 107697 215394 63792523 127585046 191377569 382755138