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140413220 = 22512975413
BaseRepresentation
bin10000101111010…
…00100100100100
3100210012201201122
420113220210210
5241421210340
621533313112
73323330663
oct1027504444
9323181648
10140413220
1172294592
123b035798
132312345c
1414910dda
15c4d8db5
hex85e8924

140413220 has 24 divisors (see below), whose sum is σ = 295149624. Its totient is φ = 56111616.

The previous prime is 140413193. The next prime is 140413283. The reversal of 140413220 is 22314041.

140413220 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 36699364 + 103713856 = 6058^2 + 10184^2 .

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 7 ways as a sum of consecutive naturals, for example, 23234 + ... + 28646.

It is an arithmetic number, because the mean of its divisors is an integer number (12297901).

Almost surely, 2140413220 is an apocalyptic number.

140413220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140413220 is an abundant number, since it is smaller than the sum of its proper divisors (154736404).

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

140413220 is a wasteful number, since it uses less digits than its factorization.

140413220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6719 (or 6717 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 17.

The square root of 140413220 is about 11849.6084323491. The cubic root of 140413220 is about 519.7597756284.

Adding to 140413220 its reverse (22314041), we get a palindrome (162727261).

The spelling of 140413220 in words is "one hundred forty million, four hundred thirteen thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 1297 2594 5188 5413 6485 10826 12970 21652 25940 27065 54130 108260 7020661 14041322 28082644 35103305 70206610 140413220