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142343286 = 2323723881
BaseRepresentation
bin10000111101111…
…11110001110110
3100220211210021120
420132333301312
5242414441121
622042524410
73345620001
oct1036776166
9326753246
10142343286
1173392688
123b806706
132364aac7
1414c94538
15c76abc6
hex87bfc76

142343286 has 8 divisors (see below), whose sum is σ = 284686584. Its totient is φ = 47447760.

The previous prime is 142343273. The next prime is 142343291. The reversal of 142343286 is 682343241.

142343286 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.

142343286 is an admirable number.

It is a super-2 number, since 2×1423432862 = 40523222138555592, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11861935 + ... + 11861946.

It is an arithmetic number, because the mean of its divisors is an integer number (35585823).

Almost surely, 2142343286 is an apocalyptic number.

142343286 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

142343286 is a wasteful number, since it uses less digits than its factorization.

142343286 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23723886.

The product of its digits is 27648, while the sum is 33.

The square root of 142343286 is about 11930.7705534890. The cubic root of 142343286 is about 522.1304191090.

The spelling of 142343286 in words is "one hundred forty-two million, three hundred forty-three thousand, two hundred eighty-six".

Divisors: 1 2 3 6 23723881 47447762 71171643 142343286