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11220370 = 257792029
BaseRepresentation
bin101010110011…
…010110010010
3210010001110021
4222303112102
510333022440
61040254054
7164241310
oct52632622
923101407
1011220370
116374037
12391132a
13242b195
1416c10b0
15eb984a
hexab3592

11220370 has 32 divisors (see below), whose sum is σ = 23385600. Its totient is φ = 3796416.

The previous prime is 11220367. The next prime is 11220379. The reversal of 11220370 is 7302211.

It is a happy number.

11220370 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (11220379) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4516 + ... + 6544.

It is an arithmetic number, because the mean of its divisors is an integer number (730800).

Almost surely, 211220370 is an apocalyptic number.

11220370 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11220370 is an abundant number, since it is smaller than the sum of its proper divisors (12165230).

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

11220370 is a wasteful number, since it uses less digits than its factorization.

11220370 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2122.

The product of its (nonzero) digits is 84, while the sum is 16.

The square root of 11220370 is about 3349.6820744662. The cubic root of 11220370 is about 223.8733473011.

Adding to 11220370 its reverse (7302211), we get a palindrome (18522581).

The spelling of 11220370 in words is "eleven million, two hundred twenty thousand, three hundred seventy".

Divisors: 1 2 5 7 10 14 35 70 79 158 395 553 790 1106 2029 2765 4058 5530 10145 14203 20290 28406 71015 142030 160291 320582 801455 1122037 1602910 2244074 5610185 11220370