Search a number
-
+
143042214 = 2379735111
BaseRepresentation
bin10001000011010…
…10011010100110
3100222011022000210
420201222122212
5243104322324
622105520250
73354560460
oct1041523246
9328138023
10143042214
117381a807
123baa3086
1323833c83
1414dd7130
15c857d29
hex886a6a6

143042214 has 32 divisors (see below), whose sum is σ = 330333696. Its totient is φ = 40446720.

The previous prime is 143042213. The next prime is 143042227. The reversal of 143042214 is 412240341.

It is a super-2 number, since 2×1430422142 = 40922149972043592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (143042213) 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, 13482 + ... + 21629.

It is an arithmetic number, because the mean of its divisors is an integer number (10322928).

Almost surely, 2143042214 is an apocalyptic number.

143042214 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

143042214 is an abundant number, since it is smaller than the sum of its proper divisors (187291482).

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

143042214 is a wasteful number, since it uses less digits than its factorization.

143042214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35220.

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 143042214 is about 11960.0256688688. The cubic root of 143042214 is about 522.9836051245.

Adding to 143042214 its reverse (412240341), we get a palindrome (555282555).

The spelling of 143042214 in words is "one hundred forty-three million, forty-two thousand, two hundred fourteen".

Divisors: 1 2 3 6 7 14 21 42 97 194 291 582 679 1358 2037 4074 35111 70222 105333 210666 245777 491554 737331 1474662 3405767 6811534 10217301 20434602 23840369 47680738 71521107 143042214