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11390825 = 524111113
BaseRepresentation
bin101011011100…
…111101101001
3210102201021102
4223130331221
510404001300
61044051145
7165551255
oct53347551
923381242
1011390825
116480106
123993ab5
13248a944
141727265
1510000d5
hexadcf69

11390825 has 12 divisors (see below), whose sum is σ = 14470428. Its totient is φ = 8889600.

The previous prime is 11390809. The next prime is 11390831. The reversal of 11390825 is 52809311.

11390825 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 6 ways, for example, as 5669161 + 5721664 = 2381^2 + 2392^2 .

It is not a de Polignac number, because 11390825 - 24 = 11390809 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4532 + ... + 6581.

It is an arithmetic number, because the mean of its divisors is an integer number (1205869).

Almost surely, 211390825 is an apocalyptic number.

It is an amenable number.

11390825 is a deficient number, since it is larger than the sum of its proper divisors (3079603).

11390825 is a wasteful number, since it uses less digits than its factorization.

11390825 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11164 (or 11159 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 29.

The square root of 11390825 is about 3375.0296294996. The cubic root of 11390825 is about 225.0013168647.

The spelling of 11390825 in words is "eleven million, three hundred ninety thousand, eight hundred twenty-five".

Divisors: 1 5 25 41 205 1025 11113 55565 277825 455633 2278165 11390825