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10115222 = 213389047
BaseRepresentation
bin100110100101…
…100010010110
3201000220110212
4212211202112
510042141342
61000445422
7151656305
oct46454226
921026425
1010115222
115789797
123479872
132132150
1414b443c
15d4c182
hex9a5896

10115222 has 8 divisors (see below), whose sum is σ = 16340016. Its totient is φ = 4668552.

The previous prime is 10115213. The next prime is 10115227. The reversal of 10115222 is 22251101.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×101152222 = 204635432218568, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 10115197 and 10115206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10115227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194498 + ... + 194549.

It is an arithmetic number, because the mean of its divisors is an integer number (2042502).

Almost surely, 210115222 is an apocalyptic number.

10115222 is a deficient number, since it is larger than the sum of its proper divisors (6224794).

10115222 is a wasteful number, since it uses less digits than its factorization.

10115222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389062.

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 10115222 is about 3180.4436797403. The cubic root of 10115222 is about 216.2677720478.

Adding to 10115222 its reverse (22251101), we get a palindrome (32366323).

The spelling of 10115222 in words is "ten million, one hundred fifteen thousand, two hundred twenty-two".

Divisors: 1 2 13 26 389047 778094 5057611 10115222