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22075049 = 79279431
BaseRepresentation
bin101010000110…
…1011010101001
31112112112021102
41110031122221
521122400144
62105051145
7355430513
oct124153251
945475242
1022075049
1111508347
127486ab5
13475ba79
142d08bb3
151e10b4e
hex150d6a9

22075049 has 4 divisors (see below), whose sum is σ = 22354560. Its totient is φ = 21795540.

The previous prime is 22075037. The next prime is 22075057. The reversal of 22075049 is 94057022.

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 22075049 - 212 = 22070953 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (22075019) 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, 139637 + ... + 139794.

It is an arithmetic number, because the mean of its divisors is an integer number (5588640).

Almost surely, 222075049 is an apocalyptic number.

It is an amenable number.

22075049 is a deficient number, since it is larger than the sum of its proper divisors (279511).

22075049 is an equidigital number, since it uses as much as digits as its factorization.

22075049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279510.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 22075049 is about 4698.4091988672. The cubic root of 22075049 is about 280.5221930346.

The spelling of 22075049 in words is "twenty-two million, seventy-five thousand, forty-nine".

Divisors: 1 79 279431 22075049