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441142140 = 22357352369
BaseRepresentation
bin11010010010110…
…100101101111100
31010202002100020210
4122102310231330
51400413022030
6111435112420
713634434455
oct3222645574
91122070223
10441142140
1120701668a
121038a2710
1370517c6a
144283412c
1528addbb0
hex1a4b4b7c

441142140 has 24 divisors (see below), whose sum is σ = 1235198160. Its totient is φ = 117637888.

The previous prime is 441142109. The next prime is 441142147. The reversal of 441142140 is 41241144.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (441142147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3676125 + ... + 3676244.

It is an arithmetic number, because the mean of its divisors is an integer number (51466590).

Almost surely, 2441142140 is an apocalyptic number.

It is an amenable number.

441142140 is an abundant number, since it is smaller than the sum of its proper divisors (794056020).

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

441142140 is a wasteful number, since it uses less digits than its factorization.

441142140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7352381 (or 7352379 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 441142140 is about 21003.3840130585. The cubic root of 441142140 is about 761.2480302256.

Adding to 441142140 its reverse (41241144), we get a palindrome (482383284).

The spelling of 441142140 in words is "four hundred forty-one million, one hundred forty-two thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 7352369 14704738 22057107 29409476 36761845 44114214 73523690 88228428 110285535 147047380 220571070 441142140