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140548468 = 22197178361
BaseRepresentation
bin10000110000010…
…01100101110100
3100210110121020211
420120021211310
5241440022333
621540235204
73324433204
oct1030114564
9323417224
10140548468
1172377165
123b09bb04
132316cb98
1414948404
15c513ecd
hex8609974

140548468 has 12 divisors (see below), whose sum is σ = 247209732. Its totient is φ = 69917120.

The previous prime is 140548427. The next prime is 140548477. The reversal of 140548468 is 864845041.

It can be written as a sum of positive squares in 2 ways, for example, as 83576164 + 56972304 = 9142^2 + 7548^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 140548468.

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 3 ways as a sum of consecutive naturals, for example, 88393 + ... + 89968.

It is an arithmetic number, because the mean of its divisors is an integer number (20600811).

Almost surely, 2140548468 is an apocalyptic number.

It is an amenable number.

140548468 is a deficient number, since it is larger than the sum of its proper divisors (106661264).

140548468 is a wasteful number, since it uses less digits than its factorization.

140548468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 178562 (or 178560 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 40.

The square root of 140548468 is about 11855.3139140218. The cubic root of 140548468 is about 519.9266020664.

It can be divided in two parts, 14054 and 8468, that added together give a palindrome (22522).

The spelling of 140548468 in words is "one hundred forty million, five hundred forty-eight thousand, four hundred sixty-eight".

Divisors: 1 2 4 197 394 788 178361 356722 713444 35137117 70274234 140548468