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11455057 = 67170971
BaseRepresentation
bin101011101100…
…101001010001
3210112222101101
4223230221101
510413030212
61045304401
7166236445
oct53545121
923488341
1011455057
116514399
123a05101
1324b0c53
141742825
151014157
hexaeca51

11455057 has 4 divisors (see below), whose sum is σ = 11626096. Its totient is φ = 11284020.

The previous prime is 11455051. The next prime is 11455061. The reversal of 11455057 is 75055411.

11455057 is digitally balanced in base 2, 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 Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 11455057 - 215 = 11422289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11455051) 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, 85419 + ... + 85552.

It is an arithmetic number, because the mean of its divisors is an integer number (2906524).

Almost surely, 211455057 is an apocalyptic number.

It is an amenable number.

11455057 is a deficient number, since it is larger than the sum of its proper divisors (171039).

11455057 is an equidigital number, since it uses as much as digits as its factorization.

11455057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 171038.

The product of its (nonzero) digits is 3500, while the sum is 28.

The square root of 11455057 is about 3384.5320208265. The cubic root of 11455057 is about 225.4234462029.

The spelling of 11455057 in words is "eleven million, four hundred fifty-five thousand, fifty-seven".

Divisors: 1 67 170971 11455057