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140341340 = 22531226357
BaseRepresentation
bin10000101110101…
…11000001011100
3100210002002010102
420113113001130
5241411410330
621532000232
73322611266
oct1027270134
9323062112
10140341340
1172245587
123b000078
13230c9819
14148d2b36
15c4c2945
hex85d705c

140341340 has 24 divisors (see below), whose sum is σ = 304225152. Its totient is φ = 54325440.

The previous prime is 140341321. The next prime is 140341373. The reversal of 140341340 is 43143041.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 112559 + ... + 113798.

It is an arithmetic number, because the mean of its divisors is an integer number (12676048).

Almost surely, 2140341340 is an apocalyptic number.

140341340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140341340 is an abundant number, since it is smaller than the sum of its proper divisors (163883812).

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

140341340 is a wasteful number, since it uses less digits than its factorization.

140341340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226397 (or 226395 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 140341340 is about 11846.5750324725. The cubic root of 140341340 is about 519.6710690958.

Adding to 140341340 its reverse (43143041), we get a palindrome (183484381).

The spelling of 140341340 in words is "one hundred forty million, three hundred forty-one thousand, three hundred forty".

Divisors: 1 2 4 5 10 20 31 62 124 155 310 620 226357 452714 905428 1131785 2263570 4527140 7017067 14034134 28068268 35085335 70170670 140341340