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214431410 = 2521443141
BaseRepresentation
bin11001100011111…
…11011010110010
3112221111020121002
430301333122302
5414343301120
633140002002
75212431314
oct1461773262
9487436532
10214431410
1110004a546
125b990302
133556abbb
142069b7b4
1513c5a375
hexcc7f6b2

214431410 has 8 divisors (see below), whose sum is σ = 385976556. Its totient is φ = 85772560.

The previous prime is 214431389. The next prime is 214431479. The reversal of 214431410 is 14134412.

It can be written as a sum of positive squares in 2 ways, for example, as 195132961 + 19298449 = 13969^2 + 4393^2 .

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

It is a plaindrome in base 13.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10721561 + ... + 10721580.

Almost surely, 2214431410 is an apocalyptic number.

214431410 is a deficient number, since it is larger than the sum of its proper divisors (171545146).

214431410 is a wasteful number, since it uses less digits than its factorization.

214431410 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21443148.

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

The square root of 214431410 is about 14643.4767046627. The cubic root of 214431410 is about 598.5440718314.

Adding to 214431410 its reverse (14134412), we get a palindrome (228565822).

The spelling of 214431410 in words is "two hundred fourteen million, four hundred thirty-one thousand, four hundred ten".

Divisors: 1 2 5 10 21443141 42886282 107215705 214431410