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305830103 = 2356923369
BaseRepresentation
bin10010001110101…
…001100011010111
3210022110210000212
4102032221203113
51111243030403
650203000035
710402340645
oct2216514327
9708423025
10305830103
111476a6757
128650901b
134b48c677
142c890195
151bcb14d8
hex123a98d7

305830103 has 8 divisors (see below), whose sum is σ = 319701600. Its totient is φ = 292006528.

The previous prime is 305830079. The next prime is 305830127. The reversal of 305830103 is 301038503.

It is an interprime number because it is at equal distance from previous prime (305830079) and next prime (305830127).

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

It is not a de Polignac number, because 305830103 - 210 = 305829079 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (305830303) 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, 1403 + ... + 24771.

It is an arithmetic number, because the mean of its divisors is an integer number (39962700).

Almost surely, 2305830103 is an apocalyptic number.

305830103 is a deficient number, since it is larger than the sum of its proper divisors (13871497).

305830103 is a wasteful number, since it uses less digits than its factorization.

305830103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23961.

The product of its (nonzero) digits is 1080, while the sum is 23.

The square root of 305830103 is about 17487.9988277676. The cubic root of 305830103 is about 673.7416725243.

Adding to 305830103 its reverse (301038503), we get a palindrome (606868606).

The spelling of 305830103 in words is "three hundred five million, eight hundred thirty thousand, one hundred three".

Divisors: 1 23 569 13087 23369 537487 13296961 305830103