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11390226 = 231898371
BaseRepresentation
bin101011011100…
…110100010010
3210102200110020
4223130310102
510403441401
61044044310
7165546441
oct53346422
923380406
1011390226
11647a711
123993696
13248a5a3
141726d58
15eeed36

11390226 has 8 divisors (see below), whose sum is σ = 22780464. Its totient is φ = 3796740.

The previous prime is 11390213. The next prime is 11390261. The reversal of 11390226 is 62209311.

Adding to 11390226 its reverse (62209311), we get a palindrome (73599537).

11390226 is digitally balanced in base 2 and base 4, because in such bases 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 junction number, because it is equal to n+sod(n) for n = 11390196 and 11390205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 949180 + ... + 949191.

It is an arithmetic number, because the mean of its divisors is an integer number (2847558).

Almost surely, 211390226 is an apocalyptic number.

11390226 is the 2135-th centered pentagonal number.

11390226 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11390226 is a wasteful number, since it uses less digits than its factorization.

11390226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1898376.

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 11390226 is about 3374.9408883712. The cubic root of 11390226 is about 224.9973728088.

The spelling of 11390226 in words is "eleven million, three hundred ninety thousand, two hundred twenty-six".

Divisors: 1 2 3 6 1898371 3796742 5695113 11390226