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143047136 = 254470223
BaseRepresentation
bin10001000011010…
…11100111100000
3100222011112210002
420201223213200
5243110002021
622105555132
73354611021
oct1041534740
9328145702
10143047136
1173823481
123baa5aa8
132383629b
1414dd8c48
15c85950b
hex886b9e0

143047136 has 12 divisors (see below), whose sum is σ = 281624112. Its totient is φ = 71523552.

The previous prime is 143047087. The next prime is 143047147. The reversal of 143047136 is 631740341.

143047136 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 143047099 and 143047108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2235080 + ... + 2235143.

It is an arithmetic number, because the mean of its divisors is an integer number (23468676).

Almost surely, 2143047136 is an apocalyptic number.

143047136 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

143047136 is a deficient number, since it is larger than the sum of its proper divisors (138576976).

143047136 is an equidigital number, since it uses as much as digits as its factorization.

143047136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4470233 (or 4470225 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 29.

The square root of 143047136 is about 11960.2314358879. The cubic root of 143047136 is about 522.9896035770.

Adding to 143047136 its reverse (631740341), we get a palindrome (774787477).

The spelling of 143047136 in words is "one hundred forty-three million, forty-seven thousand, one hundred thirty-six".

Divisors: 1 2 4 8 16 32 4470223 8940446 17880892 35761784 71523568 143047136