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143330420 = 22567106963
BaseRepresentation
bin10001000101100…
…00110001110100
3100222200221101002
420202300301310
5243143033140
622120022432
73360200642
oct1042606164
9328627332
10143330420
11739a72a2
1240001a18
13239051cc
1415070192
15c8b3415
hex88b0c74

143330420 has 24 divisors (see below), whose sum is σ = 305489184. Its totient is φ = 56475936.

The previous prime is 143330399. The next prime is 143330423. The reversal of 143330420 is 24033341.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 143330392 and 143330401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143330423) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 52142 + ... + 54821.

It is an arithmetic number, because the mean of its divisors is an integer number (12728716).

Almost surely, 2143330420 is an apocalyptic number.

143330420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143330420 is an abundant number, since it is smaller than the sum of its proper divisors (162158764).

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

143330420 is a wasteful number, since it uses less digits than its factorization.

143330420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107039 (or 107037 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 143330420 is about 11972.0683258992. The cubic root of 143330420 is about 523.3346108218.

Adding to 143330420 its reverse (24033341), we get a palindrome (167363761).

The spelling of 143330420 in words is "one hundred forty-three million, three hundred thirty thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 67 134 268 335 670 1340 106963 213926 427852 534815 1069630 2139260 7166521 14333042 28666084 35832605 71665210 143330420