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441142040 = 23511028551
BaseRepresentation
bin11010010010110…
…100101100011000
31010202002100010002
4122102310230120
51400413021130
6111435112132
713634434253
oct3222645430
91122070102
10441142040
112070165a9
121038a2648
1370517bc1
144283409a
1528addb45
hex1a4b4b18

441142040 has 16 divisors (see below), whose sum is σ = 992569680. Its totient is φ = 176456800.

The previous prime is 441142021. The next prime is 441142049. The reversal of 441142040 is 40241144.

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 not an unprimeable number, because it can be changed into a prime (441142049) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 5514236 + ... + 5514315.

It is an arithmetic number, because the mean of its divisors is an integer number (62035605).

Almost surely, 2441142040 is an apocalyptic number.

441142040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

441142040 is an abundant number, since it is smaller than the sum of its proper divisors (551427640).

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

441142040 is a wasteful number, since it uses less digits than its factorization.

441142040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11028562 (or 11028558 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 20.

The square root of 441142040 is about 21003.3816324896. The cubic root of 441142040 is about 761.2479727046.

Adding to 441142040 its reverse (40241144), we get a palindrome (481383184).

The spelling of 441142040 in words is "four hundred forty-one million, one hundred forty-two thousand, forty".

Divisors: 1 2 4 5 8 10 20 40 11028551 22057102 44114204 55142755 88228408 110285510 220571020 441142040