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4213143 = 321142557
BaseRepresentation
bin10000000100100110010111
321221001100100
4100010212113
52034310033
6230145143
750545134
oct20044627
97831310
104213143
112418440
1214b21b3
13b468ac
147b958b
15583513
hex404997

4213143 has 12 divisors (see below), whose sum is σ = 6639048. Its totient is φ = 2553360.

The previous prime is 4213141. The next prime is 4213147. The reversal of 4213143 is 3413124.

It is not a de Polignac number, because 4213143 - 21 = 4213141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4213141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 21180 + ... + 21377.

It is an arithmetic number, because the mean of its divisors is an integer number (553254).

Almost surely, 24213143 is an apocalyptic number.

4213143 is a deficient number, since it is larger than the sum of its proper divisors (2425905).

4213143 is a wasteful number, since it uses less digits than its factorization.

4213143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42574 (or 42571 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 4213143 is about 2052.5942122105. The cubic root of 4213143 is about 161.5109853320.

Adding to 4213143 its reverse (3413124), we get a palindrome (7626267).

It can be divided in two parts, 4213 and 143, that added together give a square (4356 = 662).

The spelling of 4213143 in words is "four million, two hundred thirteen thousand, one hundred forty-three".

Divisors: 1 3 9 11 33 99 42557 127671 383013 468127 1404381 4213143