Search a number
-
+
142214043 = 347404681
BaseRepresentation
bin10000111101000…
…00001110011011
3100220121012222210
420132200032123
5242401322133
622040050203
73344541126
oct1036401633
9326535883
10142214043
1173304574
123b763963
132360402a
1414c5d3bd
15c742763
hex87a039b

142214043 has 4 divisors (see below), whose sum is σ = 189618728. Its totient is φ = 94809360.

The previous prime is 142214041. The next prime is 142214063. The reversal of 142214043 is 340412241.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 142214043 - 21 = 142214041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (142214041) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23702338 + ... + 23702343.

It is an arithmetic number, because the mean of its divisors is an integer number (47404682).

Almost surely, 2142214043 is an apocalyptic number.

142214043 is a deficient number, since it is larger than the sum of its proper divisors (47404685).

142214043 is an equidigital number, since it uses as much as digits as its factorization.

142214043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47404684.

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

The square root of 142214043 is about 11925.3529507516. The cubic root of 142214043 is about 521.9723455351.

Adding to 142214043 its reverse (340412241), we get a palindrome (482626284).

It can be divided in two parts, 142 and 214043, that added together give a triangular number (214185 = T654).

The spelling of 142214043 in words is "one hundred forty-two million, two hundred fourteen thousand, forty-three".

Divisors: 1 3 47404681 142214043