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214542342 = 23271702717
BaseRepresentation
bin11001100100110…
…10100000000110
3112221200212202200
430302122200012
5414410323332
633142215330
75213402610
oct1462324006
9487625680
10214542342
11100115923
125ba24546
13355a9541
14206c9db0
1513c7d17c
hexcc9a806

214542342 has 24 divisors (see below), whose sum is σ = 531248016. Its totient is φ = 61297776.

The previous prime is 214542337. The next prime is 214542343. The reversal of 214542342 is 243245412.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (214542343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 851233 + ... + 851484.

It is an arithmetic number, because the mean of its divisors is an integer number (22135334).

Almost surely, 2214542342 is an apocalyptic number.

214542342 is an abundant number, since it is smaller than the sum of its proper divisors (316705674).

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

214542342 is a wasteful number, since it uses less digits than its factorization.

214542342 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1702732 (or 1702729 counting only the distinct ones).

The product of its digits is 7680, while the sum is 27.

The square root of 214542342 is about 14647.2639765930. The cubic root of 214542342 is about 598.6472691574.

Adding to 214542342 its reverse (243245412), we get a palindrome (457787754).

The spelling of 214542342 in words is "two hundred fourteen million, five hundred forty-two thousand, three hundred forty-two".

Divisors: 1 2 3 6 7 9 14 18 21 42 63 126 1702717 3405434 5108151 10216302 11919019 15324453 23838038 30648906 35757057 71514114 107271171 214542342