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11397401 = 14098089
BaseRepresentation
bin101011011110…
…100100011001
3210110001021222
4223132210121
510404204101
61044141425
7165606401
oct53364431
923401258
1011397401
116485044
123997875
132490932
141729801
15100201b
hexade919

11397401 has 4 divisors (see below), whose sum is σ = 11406900. Its totient is φ = 11387904.

The previous prime is 11397391. The next prime is 11397427. The reversal of 11397401 is 10479311.

11397401 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 141376 + 11256025 = 376^2 + 3355^2 .

It is a cyclic number.

It is not a de Polignac number, because 11397401 - 210 = 11396377 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11397431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2636 + ... + 5453.

It is an arithmetic number, because the mean of its divisors is an integer number (2851725).

Almost surely, 211397401 is an apocalyptic number.

It is an amenable number.

11397401 is a deficient number, since it is larger than the sum of its proper divisors (9499).

11397401 is an equidigital number, since it uses as much as digits as its factorization.

11397401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9498.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 11397401 is about 3376.0037026046. The cubic root of 11397401 is about 225.0446067939.

The spelling of 11397401 in words is "eleven million, three hundred ninety-seven thousand, four hundred one".

Divisors: 1 1409 8089 11397401