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214314140 = 22534730881
BaseRepresentation
bin11001100011000…
…10110010011100
3112221021021201202
430301202302130
5414331023030
633133255032
75211432365
oct1461426234
9487237652
10214314140
11aaa7a427
125b934478
1335529701
142066ab6c
1513c35745
hexcc62c9c

214314140 has 24 divisors (see below), whose sum is σ = 451371312. Its totient is φ = 85475840.

The previous prime is 214314131. The next prime is 214314157. The reversal of 214314140 is 41413412.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 8501 + ... + 22380.

It is an arithmetic number, because the mean of its divisors is an integer number (18807138).

Almost surely, 2214314140 is an apocalyptic number.

214314140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

214314140 is an abundant number, since it is smaller than the sum of its proper divisors (237057172).

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

214314140 is a wasteful number, since it uses less digits than its factorization.

214314140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31237 (or 31235 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 214314140 is about 14639.4719850137. The cubic root of 214314140 is about 598.4349397119.

Adding to 214314140 its reverse (41413412), we get a palindrome (255727552).

The spelling of 214314140 in words is "two hundred fourteen million, three hundred fourteen thousand, one hundred forty".

Divisors: 1 2 4 5 10 20 347 694 1388 1735 3470 6940 30881 61762 123524 154405 308810 617620 10715707 21431414 42862828 53578535 107157070 214314140