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143040386 = 2312307103
BaseRepresentation
bin10001000011010…
…01111110000010
3100222011012112002
420201221332002
5243104243021
622105504002
73354552236
oct1041517602
9328135462
10143040386
11738193a5
123baa2002
13238331a8
1414dd65c6
15c85750b
hex8869f82

143040386 has 8 divisors (see below), whose sum is σ = 221481984. Its totient is φ = 69213060.

The previous prime is 143040353. The next prime is 143040389. The reversal of 143040386 is 683040341.

143040386 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (143040389) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1153490 + ... + 1153613.

It is an arithmetic number, because the mean of its divisors is an integer number (27685248).

Almost surely, 2143040386 is an apocalyptic number.

143040386 is a deficient number, since it is larger than the sum of its proper divisors (78441598).

143040386 is a wasteful number, since it uses less digits than its factorization.

143040386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2307136.

The product of its (nonzero) digits is 6912, while the sum is 29.

The square root of 143040386 is about 11959.9492473840. The cubic root of 143040386 is about 522.9813773017.

The spelling of 143040386 in words is "one hundred forty-three million, forty thousand, three hundred eighty-six".

Divisors: 1 2 31 62 2307103 4614206 71520193 143040386