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140384 = 2541107
BaseRepresentation
bin100010010001100000
321010120102
4202101200
513443014
63001532
71123166
oct422140
9233512
10140384
1196522
12692a8
134bb8a
1439236
152b8de
hex22460

140384 has 24 divisors (see below), whose sum is σ = 285768. Its totient is φ = 67840.

The previous prime is 140381. The next prime is 140401. The reversal of 140384 is 483041.

It is a nialpdrome in base 11.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 140384.

It is not an unprimeable number, because it can be changed into a prime (140381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1259 + ... + 1365.

It is an arithmetic number, because the mean of its divisors is an integer number (11907).

2140384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (142884).

140384 is an abundant number, since it is smaller than the sum of its proper divisors (145384).

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

140384 is a wasteful number, since it uses less digits than its factorization.

140384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158 (or 150 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 140384 is about 374.6785288751. The cubic root of 140384 is about 51.9723719113.

The spelling of 140384 in words is "one hundred forty thousand, three hundred eighty-four".

Divisors: 1 2 4 8 16 32 41 82 107 164 214 328 428 656 856 1312 1712 3424 4387 8774 17548 35096 70192 140384