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143131414 = 2292467783
BaseRepresentation
bin10001000100000…
…00001100010110
3100222022211101111
420202000030112
5243120201124
622111445234
73355411516
oct1042001426
9328284344
10143131414
1173880828
123bb2681a
132386575a
141501b846
15c874494
hex8880316

143131414 has 8 divisors (see below), whose sum is σ = 222100560. Its totient is φ = 69097896.

The previous prime is 143131411. The next prime is 143131421. The reversal of 143131414 is 414131341.

It is a happy number.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143131411) 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, 1233834 + ... + 1233949.

It is an arithmetic number, because the mean of its divisors is an integer number (27762570).

Almost surely, 2143131414 is an apocalyptic number.

143131414 is a deficient number, since it is larger than the sum of its proper divisors (78969146).

143131414 is a wasteful number, since it uses less digits than its factorization.

143131414 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2467814.

The product of its digits is 576, while the sum is 22.

The square root of 143131414 is about 11963.7541766788. The cubic root of 143131414 is about 523.0922920236.

Adding to 143131414 its reverse (414131341), we get a palindrome (557262755).

The spelling of 143131414 in words is "one hundred forty-three million, one hundred thirty-one thousand, four hundred fourteen".

Divisors: 1 2 29 58 2467783 4935566 71565707 143131414