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1296201 = 3432067
BaseRepresentation
bin100111100011101001001
32102212001110
410330131021
5312434301
643440533
714006004
oct4743511
92385043
101296201
11805945
12526149
13364caa
1425a53b
151a90d6
hex13c749

1296201 has 4 divisors (see below), whose sum is σ = 1728272. Its totient is φ = 864132.

The previous prime is 1296187. The next prime is 1296209. The reversal of 1296201 is 1026921.

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 not a de Polignac number, because 1296201 - 26 = 1296137 is a prime.

It is a super-3 number, since 3×12962013 = 6533385904605625803, which contains 333 as substring.

It is an Ulam number.

It is a D-number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1296209) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 216031 + ... + 216036.

It is an arithmetic number, because the mean of its divisors is an integer number (432068).

21296201 is an apocalyptic number.

It is an amenable number.

1296201 is a deficient number, since it is larger than the sum of its proper divisors (432071).

1296201 is an equidigital number, since it uses as much as digits as its factorization.

1296201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432070.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1296201 is about 1138.5082344893. The cubic root of 1296201 is about 109.0328717174.

The spelling of 1296201 in words is "one million, two hundred ninety-six thousand, two hundred one".

Divisors: 1 3 432067 1296201