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140441444 = 221113245527
BaseRepresentation
bin10000101111011…
…11011101100100
3100210021011102222
420113233131210
5241423111234
621534051512
73323506163
oct1027573544
9323234388
10140441444
1172303810
123b049b98
1323133260
141491b3da
15c4e242e
hex85ef764

140441444 has 24 divisors (see below), whose sum is σ = 288740928. Its totient is φ = 58926240.

The previous prime is 140441401. The next prime is 140441453. The reversal of 140441444 is 444144041.

140441444 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 (26).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 122192 + ... + 123335.

It is an arithmetic number, because the mean of its divisors is an integer number (12030872).

Almost surely, 2140441444 is an apocalyptic number.

It is an amenable number.

140441444 is an abundant number, since it is smaller than the sum of its proper divisors (148299484).

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

140441444 is a wasteful number, since it uses less digits than its factorization.

140441444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245555 (or 245553 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 26.

The square root of 140441444 is about 11850.7992979377. The cubic root of 140441444 is about 519.7945983636.

Adding to 140441444 its reverse (444144041), we get a palindrome (584585485).

The spelling of 140441444 in words is "one hundred forty million, four hundred forty-one thousand, four hundred forty-four".

Divisors: 1 2 4 11 13 22 26 44 52 143 286 572 245527 491054 982108 2700797 3191851 5401594 6383702 10803188 12767404 35110361 70220722 140441444