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10627221 = 311322037
BaseRepresentation
bin101000100010…
…100010010101
3201222220210210
4220202202111
510210032341
61015440033
7156221103
oct50424225
921886723
1010627221
115aa9430
123686019
1322811c7
1415a8c73
15dedc16
hexa22895

10627221 has 8 divisors (see below), whose sum is σ = 15457824. Its totient is φ = 6440720.

The previous prime is 10627187. The next prime is 10627247. The reversal of 10627221 is 12272601.

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

It is not a de Polignac number, because 10627221 - 26 = 10627157 is a prime.

It is a super-2 number, since 2×106272212 = 225875652365682, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10627271) 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, 160986 + ... + 161051.

It is an arithmetic number, because the mean of its divisors is an integer number (1932228).

Almost surely, 210627221 is an apocalyptic number.

10627221 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

10627221 is a deficient number, since it is larger than the sum of its proper divisors (4830603).

10627221 is a wasteful number, since it uses less digits than its factorization.

10627221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 322051.

The product of its (nonzero) digits is 336, while the sum is 21.

The square root of 10627221 is about 3259.9418706474. The cubic root of 10627221 is about 219.8568007504.

Adding to 10627221 its reverse (12272601), we get a palindrome (22899822).

The spelling of 10627221 in words is "ten million, six hundred twenty-seven thousand, two hundred twenty-one".

Divisors: 1 3 11 33 322037 966111 3542407 10627221