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22028241 = 325728571
BaseRepresentation
bin101010000000…
…1111111010001
31112110011001210
41110001333101
521114400431
62104050333
7355144164
oct124017721
945404053
1022028241
1111486164
1274639a9
134743681
142cd5adb
151e01d46
hex1501fd1

22028241 has 8 divisors (see below), whose sum is σ = 29486304. Its totient is φ = 14627840.

The previous prime is 22028233. The next prime is 22028257. The reversal of 22028241 is 14282022.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 22028241 - 23 = 22028233 is a prime.

It is not an unprimeable number, because it can be changed into a prime (22028291) 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, 13515 + ... + 15056.

It is an arithmetic number, because the mean of its divisors is an integer number (3685788).

Almost surely, 222028241 is an apocalyptic number.

It is an amenable number.

22028241 is a deficient number, since it is larger than the sum of its proper divisors (7458063).

22028241 is a wasteful number, since it uses less digits than its factorization.

22028241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28831.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 22028241 is about 4693.4252950271. The cubic root of 22028241 is about 280.3237793634.

The spelling of 22028241 in words is "twenty-two million, twenty-eight thousand, two hundred forty-one".

Divisors: 1 3 257 771 28571 85713 7342747 22028241