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2136201 = 3712067
BaseRepresentation
bin1000001001100010001001
311000112022120
420021202021
51021324301
6113441453
724104664
oct10114211
94015276
102136201
111229a61
12870289
1359a432
143d86db
152c2e36
hex209889

2136201 has 4 divisors (see below), whose sum is σ = 2848272. Its totient is φ = 1424132.

The previous prime is 2136193. The next prime is 2136209. The reversal of 2136201 is 1026312.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (2136193) and next prime (2136209).

It is a cyclic number.

It is not a de Polignac number, because 2136201 - 23 = 2136193 is a prime.

It is a D-number.

It is not an unprimeable number, because it can be changed into a prime (2136209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 356031 + ... + 356036.

It is an arithmetic number, because the mean of its divisors is an integer number (712068).

22136201 is an apocalyptic number.

It is an amenable number.

2136201 is a deficient number, since it is larger than the sum of its proper divisors (712071).

2136201 is an equidigital number, since it uses as much as digits as its factorization.

2136201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712070.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 2136201 is about 1461.5748355798. The cubic root of 2136201 is about 128.7895734072.

The spelling of 2136201 in words is "two million, one hundred thirty-six thousand, two hundred one".

Divisors: 1 3 712067 2136201