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11055215 = 513716139
BaseRepresentation
bin101010001011…
…000001101111
3202210122220102
4222023001233
510312231330
61032541315
7162652643
oct52130157
922718812
1011055215
116270a46
12385183b
1323a0c62
14167ac23
15e85945
hexa8b06f

11055215 has 8 divisors (see below), whose sum is σ = 13363920. Its totient is φ = 8779072.

The previous prime is 11055211. The next prime is 11055229. The reversal of 11055215 is 51255011.

It is a happy number.

11055215 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 11055215 - 22 = 11055211 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11055211) 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, 7385 + ... + 8754.

It is an arithmetic number, because the mean of its divisors is an integer number (1670490).

Almost surely, 211055215 is an apocalyptic number.

11055215 is a deficient number, since it is larger than the sum of its proper divisors (2308705).

11055215 is a wasteful number, since it uses less digits than its factorization.

11055215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16281.

The product of its (nonzero) digits is 250, while the sum is 20.

The square root of 11055215 is about 3324.9383452930. The cubic root of 11055215 is about 222.7695004810.

The spelling of 11055215 in words is "eleven million, fifty-five thousand, two hundred fifteen".

Divisors: 1 5 137 685 16139 80695 2211043 11055215