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143431024 = 2411814949
BaseRepresentation
bin10001000110010…
…01010101110000
3100222220001101011
420203021111300
5243204243044
622122120304
73361100152
oct1043112560
9328801334
10143431024
1173a65940
1240050094
132393bc39
1415098ad2
15c8d3134
hex88c9570

143431024 has 20 divisors (see below), whose sum is σ = 303161400. Its totient is φ = 65195840.

The previous prime is 143431003. The next prime is 143431033. The reversal of 143431024 is 420134341.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 143430986 and 143431004.

It is a congruent number.

It is an unprimeable number.

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, 407299 + ... + 407650.

It is an arithmetic number, because the mean of its divisors is an integer number (15158070).

Almost surely, 2143431024 is an apocalyptic number.

It is an amenable number.

143431024 is an abundant number, since it is smaller than the sum of its proper divisors (159730376).

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

143431024 is a wasteful number, since it uses less digits than its factorization.

143431024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814968 (or 814962 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 143431024 is about 11976.2692020512. The cubic root of 143431024 is about 523.4570254999.

Adding to 143431024 its reverse (420134341), we get a palindrome (563565365).

The spelling of 143431024 in words is "one hundred forty-three million, four hundred thirty-one thousand, twenty-four".

Divisors: 1 2 4 8 11 16 22 44 88 176 814949 1629898 3259796 6519592 8964439 13039184 17928878 35857756 71715512 143431024