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140224044 = 22311685337
BaseRepresentation
bin10000101101110…
…10011000101100
3100202212010020010
420112322120230
5241344132134
621525253220
73321612312
oct1026723054
9322763203
10140224044
1172175444
123ab64210
132308830c
14148a20b2
15c49cce9
hex85ba62c

140224044 has 12 divisors (see below), whose sum is σ = 327189464. Its totient is φ = 46741344.

The previous prime is 140224037. The next prime is 140224081. The reversal of 140224044 is 440422041.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 140224044.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5842657 + ... + 5842680.

Almost surely, 2140224044 is an apocalyptic number.

It is an amenable number.

140224044 is an abundant number, since it is smaller than the sum of its proper divisors (186965420).

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

140224044 is a wasteful number, since it uses less digits than its factorization.

140224044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11685344 (or 11685342 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 21.

The square root of 140224044 is about 11841.6233684407. The cubic root of 140224044 is about 519.5262499770.

Adding to 140224044 its reverse (440422041), we get a palindrome (580646085).

The spelling of 140224044 in words is "one hundred forty million, two hundred twenty-four thousand, forty-four".

Divisors: 1 2 3 4 6 12 11685337 23370674 35056011 46741348 70112022 140224044