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420630214 = 24329316693
BaseRepresentation
bin11001000100100…
…100111011000110
31002022111020011211
4121010210323012
51330140131324
6105423322034
713265204104
oct3104447306
91068436154
10420630214
111a6486784
12b8a5031a
13691b5824
143dc14c74
1526ddb294
hex19124ec6

420630214 has 16 divisors (see below), whose sum is σ = 647860752. Its totient is φ = 204710688.

The previous prime is 420630173. The next prime is 420630241. The reversal of 420630214 is 412036024.

It is a happy number.

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, 16852 + ... + 33544.

It is an arithmetic number, because the mean of its divisors is an integer number (40491297).

Almost surely, 2420630214 is an apocalyptic number.

420630214 is a deficient number, since it is larger than the sum of its proper divisors (227230538).

420630214 is a wasteful number, since it uses less digits than its factorization.

420630214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17031.

The product of its (nonzero) digits is 1152, while the sum is 22.

The square root of 420630214 is about 20509.2714156305. The cubic root of 420630214 is about 749.2616223402.

Adding to 420630214 its reverse (412036024), we get a palindrome (832666238).

The spelling of 420630214 in words is "four hundred twenty million, six hundred thirty thousand, two hundred fourteen".

Divisors: 1 2 43 86 293 586 12599 16693 25198 33386 717799 1435598 4891049 9782098 210315107 420630214