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420343103 = 4310394907
BaseRepresentation
bin11001000011011…
…110110100111111
31002021221122100002
4121003132310333
51330101434403
6105413224515
713262600045
oct3103366477
91067848302
10420343103
111a62aaaa4
12b893213b
1369114c3b
143db7c395
1526d81188
hex190ded3f

420343103 has 8 divisors (see below), whose sum is σ = 434299008. Its totient is φ = 406577304.

The previous prime is 420343093. The next prime is 420343109. The reversal of 420343103 is 301343024.

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

It is a cyclic number.

It is not a de Polignac number, because 420343103 - 24 = 420343087 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420343109) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 43025 + ... + 51882.

It is an arithmetic number, because the mean of its divisors is an integer number (54287376).

Almost surely, 2420343103 is an apocalyptic number.

420343103 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

420343103 is a deficient number, since it is larger than the sum of its proper divisors (13955905).

420343103 is a wasteful number, since it uses less digits than its factorization.

420343103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95053.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 420343103 is about 20502.2706791223. The cubic root of 420343103 is about 749.0911081843.

Adding to 420343103 its reverse (301343024), we get a palindrome (721686127).

The spelling of 420343103 in words is "four hundred twenty million, three hundred forty-three thousand, one hundred three".

Divisors: 1 43 103 4429 94907 4081001 9775421 420343103