Search a number
-
+
140123024 = 2419895179
BaseRepresentation
bin10000101101000…
…01101110010000
3100202122222122122
420112201232100
5241332414044
621523153412
73321011636
oct1026415620
9322588578
10140123024
1172106558
123ab15868
1323051342
1414877356
15c47cdee
hex85a1b90

140123024 has 40 divisors (see below), whose sum is σ = 289044000. Its totient is φ = 65615616.

The previous prime is 140123023. The next prime is 140123029. The reversal of 140123024 is 420321041.

It is a junction number, because it is equal to n+sod(n) for n = 140122993 and 140123011.

It is not an unprimeable number, because it can be changed into a prime (140123021) by changing a digit.

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, 24467 + ... + 29645.

It is an arithmetic number, because the mean of its divisors is an integer number (7226100).

Almost surely, 2140123024 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 140123024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144522000).

140123024 is an abundant number, since it is smaller than the sum of its proper divisors (148920976).

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

140123024 is a wasteful number, since it uses less digits than its factorization.

140123024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5295 (or 5289 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140123024 is about 11837.3571374695. The cubic root of 140123024 is about 519.4014612260.

Adding to 140123024 its reverse (420321041), we get a palindrome (560444065).

The spelling of 140123024 in words is "one hundred forty million, one hundred twenty-three thousand, twenty-four".

Divisors: 1 2 4 8 16 19 38 76 89 152 178 304 356 712 1424 1691 3382 5179 6764 10358 13528 20716 27056 41432 82864 98401 196802 393604 460931 787208 921862 1574416 1843724 3687448 7374896 8757689 17515378 35030756 70061512 140123024