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142234214 = 279789231
BaseRepresentation
bin10000111101001…
…01001001100110
3100220122020122212
420132211021212
5242402443324
622040323422
73344654003
oct1036451146
9326566585
10142234214
1173318741
123b773572
1323610275
1414c668aa
15c74870e
hex87a5266

142234214 has 8 divisors (see below), whose sum is σ = 213621408. Its totient is φ = 71027080.

The previous prime is 142234201. The next prime is 142234217. The reversal of 142234214 is 412432241.

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

It is a self number, because there is not a number n which added to its sum of digits gives 142234214.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (142234217) 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, 43022 + ... + 46209.

It is an arithmetic number, because the mean of its divisors is an integer number (26702676).

Almost surely, 2142234214 is an apocalyptic number.

142234214 is a deficient number, since it is larger than the sum of its proper divisors (71387194).

142234214 is an equidigital number, since it uses as much as digits as its factorization.

142234214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 90030.

The product of its digits is 1536, while the sum is 23.

The square root of 142234214 is about 11926.1986399691. The cubic root of 142234214 is about 521.9970224382.

Adding to 142234214 its reverse (412432241), we get a palindrome (554666455).

The spelling of 142234214 in words is "one hundred forty-two million, two hundred thirty-four thousand, two hundred fourteen".

Divisors: 1 2 797 1594 89231 178462 71117107 142234214