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300103421 = 1012971321
BaseRepresentation
bin10001111000110…
…011011011111101
3202220200211111112
4101320303123331
51103311302141
645440131405
710302560042
oct2170633375
9686624445
10300103421
11144445162
1284606b65
134a235bb7
142bbdd1c9
151b52e7eb
hex11e336fd

300103421 has 4 divisors (see below), whose sum is σ = 303074844. Its totient is φ = 297132000.

The previous prime is 300103399. The next prime is 300103429. The reversal of 300103421 is 124301003.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 243703321 + 56400100 = 15611^2 + 7510^2 .

It is a cyclic number.

It is not a de Polignac number, because 300103421 - 218 = 299841277 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 300103396 and 300103405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (300103429) 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, 1485560 + ... + 1485761.

It is an arithmetic number, because the mean of its divisors is an integer number (75768711).

Almost surely, 2300103421 is an apocalyptic number.

It is an amenable number.

300103421 is a deficient number, since it is larger than the sum of its proper divisors (2971423).

300103421 is a wasteful number, since it uses less digits than its factorization.

300103421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2971422.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 300103421 is about 17323.4933255392. The cubic root of 300103421 is about 669.5098672720.

Adding to 300103421 its reverse (124301003), we get a palindrome (424404424).

The spelling of 300103421 in words is "three hundred million, one hundred three thousand, four hundred twenty-one".

Divisors: 1 101 2971321 300103421