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1443343412 = 22727363997
BaseRepresentation
bin101011000000111…
…1010110000110100
310201120220102221102
41112001322300310
510423443442122
6355115505232
750524134200
oct12601726064
93646812842
101443343412
116808032a5
12343458218
131a0046074
14d9995b00
1586aa7492
hex5607ac34

1443343412 has 18 divisors (see below), whose sum is σ = 2938235202. Its totient is φ = 618575664.

The previous prime is 1443343411. The next prime is 1443343423. The reversal of 1443343412 is 2143433441.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 1258546576 + 184796836 = 35476^2 + 13594^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1443343411) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3681803 + ... + 3682194.

It is an arithmetic number, because the mean of its divisors is an integer number (163235289).

Almost surely, 21443343412 is an apocalyptic number.

It is an amenable number.

1443343412 is an abundant number, since it is smaller than the sum of its proper divisors (1494891790).

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

1443343412 is a wasteful number, since it uses less digits than its factorization.

1443343412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7364015 (or 7364006 counting only the distinct ones).

The product of its digits is 13824, while the sum is 29.

The square root of 1443343412 is about 37991.3597019112. The cubic root of 1443343412 is about 1130.1165233430.

Adding to 1443343412 its reverse (2143433441), we get a palindrome (3586776853).

The spelling of 1443343412 in words is "one billion, four hundred forty-three million, three hundred forty-three thousand, four hundred twelve".

Divisors: 1 2 4 7 14 28 49 98 196 7363997 14727994 29455988 51547979 103095958 206191916 360835853 721671706 1443343412