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11275401 = 33758467
BaseRepresentation
bin101011000000…
…110010001001
3210012211221110
4223000302021
510341303101
61041400533
7164560614
oct53006211
923184843
1011275401
116401415
123939149
13244a247
1416d717b
15ecacd6
hexac0c89

11275401 has 4 divisors (see below), whose sum is σ = 15033872. Its totient is φ = 7516932.

The previous prime is 11275399. The next prime is 11275409. The reversal of 11275401 is 10457211.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 10457211 = 33485737.

It is not a de Polignac number, because 11275401 - 21 = 11275399 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11275409) 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, 1879231 + ... + 1879236.

It is an arithmetic number, because the mean of its divisors is an integer number (3758468).

Almost surely, 211275401 is an apocalyptic number.

It is an amenable number.

11275401 is a deficient number, since it is larger than the sum of its proper divisors (3758471).

11275401 is an equidigital number, since it uses as much as digits as its factorization.

11275401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3758470.

The product of its (nonzero) digits is 280, while the sum is 21.

The square root of 11275401 is about 3357.8863887869. The cubic root of 11275401 is about 224.2387508044.

The spelling of 11275401 in words is "eleven million, two hundred seventy-five thousand, four hundred one".

Divisors: 1 3 3758467 11275401