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10621227 = 319917791
BaseRepresentation
bin101000100001…
…000100101011
3201222121120210
4220201010223
510204334402
61015352203
7156164451
oct50410453
921877523
1010621227
115aa4981
123682663
13227b566
1415a69d1
15dec06c
hexa2112b

10621227 has 8 divisors (see below), whose sum is σ = 14233600. Its totient is φ = 7044840.

The previous prime is 10621213. The next prime is 10621241. The reversal of 10621227 is 72212601.

It is an interprime number because it is at equal distance from previous prime (10621213) and next prime (10621241).

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

It is not a de Polignac number, because 10621227 - 24 = 10621211 is a prime.

It is a super-2 number, since 2×106212272 = 225620925971058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10621297) 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, 8299 + ... + 9492.

It is an arithmetic number, because the mean of its divisors is an integer number (1779200).

Almost surely, 210621227 is an apocalyptic number.

10621227 is a deficient number, since it is larger than the sum of its proper divisors (3612373).

10621227 is a wasteful number, since it uses less digits than its factorization.

10621227 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17993.

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

The square root of 10621227 is about 3259.0223994321. The cubic root of 10621227 is about 219.8154581924.

Adding to 10621227 its reverse (72212601), we get a palindrome (82833828).

The spelling of 10621227 in words is "ten million, six hundred twenty-one thousand, two hundred twenty-seven".

Divisors: 1 3 199 597 17791 53373 3540409 10621227