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420312214 = 2730022301
BaseRepresentation
bin11001000011010…
…111010010010110
31002021220001222001
4121003113102112
51330044442324
6105412425514
713262411020
oct3103272226
91067801861
10420312214
111a6289873
12b891829a
1369103b6a
143db71010
1526d76e44
hex190d7496

420312214 has 8 divisors (see below), whose sum is σ = 720535248. Its totient is φ = 180133800.

The previous prime is 420312187. The next prime is 420312223. The reversal of 420312214 is 412213024.

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

It is a junction number, because it is equal to n+sod(n) for n = 420312191 and 420312200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15011137 + ... + 15011164.

It is an arithmetic number, because the mean of its divisors is an integer number (90066906).

Almost surely, 2420312214 is an apocalyptic number.

420312214 is a deficient number, since it is larger than the sum of its proper divisors (300223034).

420312214 is a wasteful number, since it uses less digits than its factorization.

420312214 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30022310.

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 420312214 is about 20501.5173584786. The cubic root of 420312214 is about 749.0727586964.

Adding to 420312214 its reverse (412213024), we get a palindrome (832525238).

The spelling of 420312214 in words is "four hundred twenty million, three hundred twelve thousand, two hundred fourteen".

Divisors: 1 2 7 14 30022301 60044602 210156107 420312214