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21430114 = 231345647
BaseRepresentation
bin101000110111…
…1111101100010
31111022202120221
41101233331202
520441230424
62043153254
7350103316
oct121577542
944282527
1021430114
1111107842
12721582a
134594354
142bbbb46
151d349e4
hex146ff62

21430114 has 8 divisors (see below), whose sum is σ = 33182208. Its totient is φ = 10369380.

The previous prime is 21430103. The next prime is 21430117. The reversal of 21430114 is 41103412.

21430114 = T136 + T137 + ... + T507.

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

It is not an unprimeable number, because it can be changed into a prime (21430117) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 172762 + ... + 172885.

It is an arithmetic number, because the mean of its divisors is an integer number (4147776).

Almost surely, 221430114 is an apocalyptic number.

21430114 is a deficient number, since it is larger than the sum of its proper divisors (11752094).

21430114 is a wasteful number, since it uses less digits than its factorization.

21430114 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 345680.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 21430114 is about 4629.2671126216. The cubic root of 21430114 is about 277.7632769082.

Adding to 21430114 its reverse (41103412), we get a palindrome (62533526).

The spelling of 21430114 in words is "twenty-one million, four hundred thirty thousand, one hundred fourteen".

Divisors: 1 2 31 62 345647 691294 10715057 21430114