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22528101 = 310770181
BaseRepresentation
bin101010111110…
…0000001100101
31120101112202010
41111330001211
521231344401
62122504433
7362325411
oct125740145
946345663
1022528101
1111797772
127665119
13488a04b
142dc5d41
151e9eed6
hex157c065

22528101 has 8 divisors (see below), whose sum is σ = 30318624. Its totient is φ = 14878160.

The previous prime is 22528069. The next prime is 22528117. The reversal of 22528101 is 10182522.

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 22528101 - 25 = 22528069 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22528601) 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, 34770 + ... + 35411.

It is an arithmetic number, because the mean of its divisors is an integer number (3789828).

Almost surely, 222528101 is an apocalyptic number.

It is an amenable number.

22528101 is a deficient number, since it is larger than the sum of its proper divisors (7790523).

22528101 is a wasteful number, since it uses less digits than its factorization.

22528101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70291.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 22528101 is about 4746.3776714459. The cubic root of 22528101 is about 282.4282888960.

The spelling of 22528101 in words is "twenty-two million, five hundred twenty-eight thousand, one hundred one".

Divisors: 1 3 107 321 70181 210543 7509367 22528101