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214142894 = 2739112
BaseRepresentation
bin11001100001110…
…00111110101110
3112220221120211022
430300320332232
5414310033034
633125454142
75210120210
oct1460707656
9486846738
10214142894
11aa9727a9
125b871352
1335499794
14206245b0
1513beeb2e
hexcc38fae

214142894 has 12 divisors (see below), whose sum is σ = 367195992. Its totient is φ = 91752060.

The previous prime is 214142893. The next prime is 214142941. The reversal of 214142894 is 498241412.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214142893) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 52799 + ... + 56709.

It is an arithmetic number, because the mean of its divisors is an integer number (30599666).

Almost surely, 2214142894 is an apocalyptic number.

214142894 is a deficient number, since it is larger than the sum of its proper divisors (153053098).

214142894 is an frugal number, since it uses more digits than its factorization.

214142894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7831 (or 3920 counting only the distinct ones).

The product of its digits is 18432, while the sum is 35.

The square root of 214142894 is about 14633.6220396729. The cubic root of 214142894 is about 598.2755056882.

The spelling of 214142894 in words is "two hundred fourteen million, one hundred forty-two thousand, eight hundred ninety-four".

Divisors: 1 2 7 14 3911 7822 27377 54754 15295921 30591842 107071447 214142894