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3143230440 = 2335724091307
BaseRepresentation
bin1011101101011001…
…1110001111101000
322010001112122120020
42323112132033220
522414131333230
61235522200440
7140615006100
oct27326361750
98101478506
103143230440
1113732a9609
127387b3120
133b128308c
1421b64c200
15135e37810
hexbb59e3e8

3143230440 has 192 divisors, whose sum is σ = 11004465600. Its totient is φ = 716147712.

The previous prime is 3143230427. The next prime is 3143230451. The reversal of 3143230440 is 440323413.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 3143230440.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2404267 + ... + 2405573.

It is an arithmetic number, because the mean of its divisors is an integer number (57314925).

Almost surely, 23143230440 is an apocalyptic number.

3143230440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3143230440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5502232800).

3143230440 is an abundant number, since it is smaller than the sum of its proper divisors (7861235160).

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

3143230440 is a wasteful number, since it uses less digits than its factorization.

3143230440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1744 (or 1733 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 24.

The square root of 3143230440 is about 56064.5203314895. The cubic root of 3143230440 is about 1464.8463521218.

Adding to 3143230440 its reverse (440323413), we get a palindrome (3583553853).

The spelling of 3143230440 in words is "three billion, one hundred forty-three million, two hundred thirty thousand, four hundred forty".