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21094301 = 1071371439
BaseRepresentation
bin101000001110…
…1111110011101
31110200200221102
41100131332131
520400004201
62032042445
7344204264
oct120357635
943620842
1021094301
11109a8508
127093425
1344a7547
142b315db
151cba26b
hex141df9d

21094301 has 8 divisors (see below), whose sum is σ = 21461760. Its totient is φ = 20730208.

The previous prime is 21094279. The next prime is 21094357. The reversal of 21094301 is 10349012.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-21094301 is a prime.

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

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21094391) 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, 13940 + ... + 15378.

It is an arithmetic number, because the mean of its divisors is an integer number (2682720).

Almost surely, 221094301 is an apocalyptic number.

It is an amenable number.

21094301 is a deficient number, since it is larger than the sum of its proper divisors (367459).

21094301 is a wasteful number, since it uses less digits than its factorization.

21094301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1683.

The product of its (nonzero) digits is 216, while the sum is 20.

The square root of 21094301 is about 4592.8532526089. The cubic root of 21094301 is about 276.3047681861.

The spelling of 21094301 in words is "twenty-one million, ninety-four thousand, three hundred one".

Divisors: 1 107 137 1439 14659 153973 197143 21094301