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143319 = 31143101
BaseRepresentation
bin100010111111010111
321021121010
4202333113
514041234
63023303
71134561
oct427727
9237533
10143319
1198750
126ab33
1350307
143a331
152c6e9
hex22fd7

143319 has 16 divisors (see below), whose sum is σ = 215424. Its totient is φ = 84000.

The previous prime is 143291. The next prime is 143329. The reversal of 143319 is 913341.

It is not a de Polignac number, because 143319 - 25 = 143287 is a prime.

It is a super-2 number, since 2×1433192 = 41080671522, which contains 22 as substring.

It is a nialpdrome in base 11.

It is a junction number, because it is equal to n+sod(n) for n = 143295 and 143304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1369 + ... + 1469.

It is an arithmetic number, because the mean of its divisors is an integer number (13464).

2143319 is an apocalyptic number.

143319 is a deficient number, since it is larger than the sum of its proper divisors (72105).

143319 is a wasteful number, since it uses less digits than its factorization.

143319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158.

The product of its digits is 324, while the sum is 21.

The square root of 143319 is about 378.5749595523. The cubic root of 143319 is about 52.3320711376.

It can be divided in two parts, 14 and 3319, that added together give a palindrome (3333).

The spelling of 143319 in words is "one hundred forty-three thousand, three hundred nineteen".

Divisors: 1 3 11 33 43 101 129 303 473 1111 1419 3333 4343 13029 47773 143319