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140444724 = 22371671961
BaseRepresentation
bin10000101111100…
…00010000110100
3100210021022221110
420113300100310
5241423212344
621534115020
73323521560
oct1027602064
9323238843
10140444724
1172306222
123b04ba70
13231348b4
141491c6a0
15c4e33b9
hex85f0434

140444724 has 24 divisors (see below), whose sum is σ = 374519488. Its totient is φ = 40127040.

The previous prime is 140444719. The next prime is 140444741. The reversal of 140444724 is 427444041.

140444724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 140444691 and 140444700.

It is a congruent number.

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, 835897 + ... + 836064.

Almost surely, 2140444724 is an apocalyptic number.

140444724 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

140444724 is an abundant number, since it is smaller than the sum of its proper divisors (234074764).

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

140444724 is a wasteful number, since it uses less digits than its factorization.

140444724 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1671975 (or 1671973 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 30.

The square root of 140444724 is about 11850.9376844197. The cubic root of 140444724 is about 519.7986449208.

Adding to 140444724 its reverse (427444041), we get a palindrome (567888765).

The spelling of 140444724 in words is "one hundred forty million, four hundred forty-four thousand, seven hundred twenty-four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1671961 3343922 5015883 6687844 10031766 11703727 20063532 23407454 35111181 46814908 70222362 140444724