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10225213 = 47921347
BaseRepresentation
bin100111000000…
…011000111101
3201020111100121
4213000120331
510104201323
61003054541
7152625055
oct47003075
921214317
1010225213
115854399
123511451
13217022b
141502565
15d6ea5d
hex9c063d

10225213 has 4 divisors (see below), whose sum is σ = 10247040. Its totient is φ = 10203388.

The previous prime is 10225199. The next prime is 10225223. The reversal of 10225213 is 31252201.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 10225213 - 221 = 8128061 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10225223) 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, 10195 + ... + 11152.

It is an arithmetic number, because the mean of its divisors is an integer number (2561760).

Almost surely, 210225213 is an apocalyptic number.

It is an amenable number.

10225213 is a deficient number, since it is larger than the sum of its proper divisors (21827).

10225213 is an equidigital number, since it uses as much as digits as its factorization.

10225213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21826.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 10225213 is about 3197.6886965432. The cubic root of 10225213 is about 217.0488326891.

Adding to 10225213 its reverse (31252201), we get a palindrome (41477414).

The spelling of 10225213 in words is "ten million, two hundred twenty-five thousand, two hundred thirteen".

Divisors: 1 479 21347 10225213