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20174201 = 160112601
BaseRepresentation
bin100110011110…
…1010101111001
31101221221210122
41030331111321
520131033301
62000223025
7333322625
oct114752571
941857718
1020174201
111042a1a3
12690aa75
1342447c8
142972185
151b8781b
hex133d579

20174201 has 4 divisors (see below), whose sum is σ = 20188404. Its totient is φ = 20160000.

The previous prime is 20174191. The next prime is 20174237. The reversal of 20174201 is 10247102.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 10247102 = 25123551.

It can be written as a sum of positive squares in 2 ways, for example, as 15594601 + 4579600 = 3949^2 + 2140^2 .

It is a cyclic number.

It is not a de Polignac number, because 20174201 - 214 = 20157817 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 20174201.

It is not an unprimeable number, because it can be changed into a prime (20174261) 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, 4700 + ... + 7901.

It is an arithmetic number, because the mean of its divisors is an integer number (5047101).

Almost surely, 220174201 is an apocalyptic number.

It is an amenable number.

20174201 is a deficient number, since it is larger than the sum of its proper divisors (14203).

20174201 is a wasteful number, since it uses less digits than its factorization.

20174201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14202.

The product of its (nonzero) digits is 112, while the sum is 17.

The square root of 20174201 is about 4491.5699927754. The cubic root of 20174201 is about 272.2275750039.

The spelling of 20174201 in words is "twenty million, one hundred seventy-four thousand, two hundred one".

Divisors: 1 1601 12601 20174201