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611201 = 17157229
BaseRepresentation
bin10010101001110000001
31011001102002
42111032001
5124024301
621033345
75123633
oct2251601
91131362
10611201
11388228
12255855
13185276
1411ca53
15c116b
hex95381

611201 has 8 divisors (see below), whose sum is σ = 654120. Its totient is φ = 569088.

The previous prime is 611189. The next prime is 611207. The reversal of 611201 is 102116.

It can be written as a sum of positive squares in 4 ways, for example, as 250000 + 361201 = 500^2 + 601^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 611201 - 26 = 611137 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (611207) 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, 2555 + ... + 2783.

It is an arithmetic number, because the mean of its divisors is an integer number (81765).

2611201 is an apocalyptic number.

It is an amenable number.

611201 is a deficient number, since it is larger than the sum of its proper divisors (42919).

611201 is a wasteful number, since it uses less digits than its factorization.

611201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 403.

The product of its (nonzero) digits is 12, while the sum is 11.

The square root of 611201 is about 781.7934509831. The cubic root of 611201 is about 84.8648833706.

Adding to 611201 its reverse (102116), we get a palindrome (713317).

The spelling of 611201 in words is "six hundred eleven thousand, two hundred one".

Divisors: 1 17 157 229 2669 3893 35953 611201