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20301238 = 217835693
BaseRepresentation
bin100110101110…
…0010110110110
31102012102001201
41031130112312
520144114423
62003043114
7334362166
oct115342666
942172051
1020301238
1110506691
12697049a
13428a589
1429a65a6
151bb02ad
hex135c5b6

20301238 has 8 divisors (see below), whose sum is σ = 30474288. Its totient is φ = 10143144.

The previous prime is 20301221. The next prime is 20301257. The reversal of 20301238 is 83210302.

It is a happy number.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 720 + ... + 6412.

It is an arithmetic number, because the mean of its divisors is an integer number (3809286).

Almost surely, 220301238 is an apocalyptic number.

20301238 is a deficient number, since it is larger than the sum of its proper divisors (10173050).

20301238 is a wasteful number, since it uses less digits than its factorization.

20301238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7478.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 20301238 is about 4505.6895143807. The cubic root of 20301238 is about 272.7977857338.

The spelling of 20301238 in words is "twenty million, three hundred one thousand, two hundred thirty-eight".

Divisors: 1 2 1783 3566 5693 11386 10150619 20301238