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143883420 = 22352398057
BaseRepresentation
bin10001001001101…
…11110010011100
3101000202000221120
420210313302130
5243313232140
622135530540
73364663122
oct1044676234
9330660846
10143883420
117424481a
1240229a50
1323a69b25
1415175912
15c9721d0
hex8937c9c

143883420 has 24 divisors (see below), whose sum is σ = 402873744. Its totient is φ = 38368896.

The previous prime is 143883407. The next prime is 143883433. The reversal of 143883420 is 24388341.

143883420 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (143883407) and next prime (143883433).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1198969 + ... + 1199088.

It is an arithmetic number, because the mean of its divisors is an integer number (16786406).

Almost surely, 2143883420 is an apocalyptic number.

143883420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

143883420 is an abundant number, since it is smaller than the sum of its proper divisors (258990324).

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

143883420 is a wasteful number, since it uses less digits than its factorization.

143883420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2398069 (or 2398067 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 33.

The square root of 143883420 is about 11995.1415164641. The cubic root of 143883420 is about 524.0067934166.

The spelling of 143883420 in words is "one hundred forty-three million, eight hundred eighty-three thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2398057 4796114 7194171 9592228 11990285 14388342 23980570 28776684 35970855 47961140 71941710 143883420