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10221242 = 25479343
BaseRepresentation
bin100110111111…
…011010111010
3201020021220112
4212333122322
510104034432
61003024322
7152610353
oct46773272
921207815
1010221242
115851409
12350b0a2
13216b495
141500d2a
15d6d7b2
hex9bf6ba

10221242 has 8 divisors (see below), whose sum is σ = 15361536. Its totient is φ = 5100732.

The previous prime is 10221203. The next prime is 10221247. The reversal of 10221242 is 24212201.

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

It is not an unprimeable number, because it can be changed into a prime (10221247) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3578 + ... + 5765.

It is an arithmetic number, because the mean of its divisors is an integer number (1920192).

Almost surely, 210221242 is an apocalyptic number.

10221242 is a deficient number, since it is larger than the sum of its proper divisors (5140294).

10221242 is an equidigital number, since it uses as much as digits as its factorization.

10221242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9892.

The product of its (nonzero) digits is 64, while the sum is 14.

The square root of 10221242 is about 3197.0677190200. The cubic root of 10221242 is about 217.0207318070.

Adding to 10221242 its reverse (24212201), we get a palindrome (34433443).

The spelling of 10221242 in words is "ten million, two hundred twenty-one thousand, two hundred forty-two".

Divisors: 1 2 547 1094 9343 18686 5110621 10221242