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140820050 = 2527402343
BaseRepresentation
bin10000110010010…
…11111001010010
3100210222101210102
420121023321102
5242022220200
621550132402
73326644040
oct1031137122
9323871712
10140820050
1172542208
123b1b1102
1323236697
14149b9390
15c5696d5
hex864be52

140820050 has 24 divisors (see below), whose sum is σ = 299343936. Its totient is φ = 48281040.

The previous prime is 140820023. The next prime is 140820089. The reversal of 140820050 is 50028041.

140820050 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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 11 ways as a sum of consecutive naturals, for example, 200822 + ... + 201521.

It is an arithmetic number, because the mean of its divisors is an integer number (12472664).

Almost surely, 2140820050 is an apocalyptic number.

140820050 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

140820050 is an abundant number, since it is smaller than the sum of its proper divisors (158523886).

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

140820050 is a wasteful number, since it uses less digits than its factorization.

140820050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 402362 (or 402357 counting only the distinct ones).

The product of its (nonzero) digits is 320, while the sum is 20.

The square root of 140820050 is about 11866.7624059808. The cubic root of 140820050 is about 520.2612715633.

Adding to 140820050 its reverse (50028041), we get a palindrome (190848091).

The spelling of 140820050 in words is "one hundred forty million, eight hundred twenty thousand, fifty".

Divisors: 1 2 5 7 10 14 25 35 50 70 175 350 402343 804686 2011715 2816401 4023430 5632802 10058575 14082005 20117150 28164010 70410025 140820050