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140033040 = 243571941107
BaseRepresentation
bin10000101100010…
…11110000010000
3100202111102012220
420112023300100
5241322024130
621521221040
73320155410
oct1026136020
9322442186
10140033040
1172054994
123aa91780
132301c3b4
1414852640
15c461410
hex858bc10

140033040 has 320 divisors, whose sum is σ = 539965440. Its totient is φ = 29306880.

The previous prime is 140033027. The next prime is 140033041. The reversal of 140033040 is 40330041.

140033040 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (140033041) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1308667 + ... + 1308773.

It is an arithmetic number, because the mean of its divisors is an integer number (1687392).

Almost surely, 2140033040 is an apocalyptic number.

140033040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 140033040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269982720).

140033040 is an abundant number, since it is smaller than the sum of its proper divisors (399932400).

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

140033040 is a wasteful number, since it uses less digits than its factorization.

140033040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190 (or 184 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 15.

The square root of 140033040 is about 11833.5556786623. Note that the first 3 decimals coincide. The cubic root of 140033040 is about 519.2902545925.

Adding to 140033040 its reverse (40330041), we get a palindrome (180363081).

The spelling of 140033040 in words is "one hundred forty million, thirty-three thousand, forty".