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140559220 = 2257027961
BaseRepresentation
bin10000110000011…
…00001101110100
3100210111011000001
420120030031310
5241440343340
621540401044
73324506434
oct1030141564
9323434001
10140559220
117238424a
123b0a6184
1323174a49
141494c2c4
15c51729a
hex860c374

140559220 has 12 divisors (see below), whose sum is σ = 295174404. Its totient is φ = 56223680.

The previous prime is 140559203. The next prime is 140559227. The reversal of 140559220 is 22955041.

It can be written as a sum of positive squares in 2 ways, for example, as 30603024 + 109956196 = 5532^2 + 10486^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (140559227) by changing a digit.

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, 3513961 + ... + 3514000.

It is an arithmetic number, because the mean of its divisors is an integer number (24597867).

Almost surely, 2140559220 is an apocalyptic number.

140559220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

140559220 is an abundant number, since it is smaller than the sum of its proper divisors (154615184).

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

140559220 is a wasteful number, since it uses less digits than its factorization.

140559220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7027970 (or 7027968 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 28.

The square root of 140559220 is about 11855.7673728865. The cubic root of 140559220 is about 519.9398599087.

The spelling of 140559220 in words is "one hundred forty million, five hundred fifty-nine thousand, two hundred twenty".

Divisors: 1 2 4 5 10 20 7027961 14055922 28111844 35139805 70279610 140559220