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23820122 = 222952009
BaseRepresentation
bin101101011011…
…1011101011010
31122211012001202
41122313131122
522044220442
62210314202
7406316264
oct132673532
948735052
1023820122
111249a457
127b88962
134c20161
143240b34
152157c32
hex16b775a

23820122 has 8 divisors (see below), whose sum is σ = 35886900. Its totient is φ = 11857824.

The previous prime is 23820113. The next prime is 23820127. The reversal of 23820122 is 22102832.

It can be written as a sum of positive squares in 2 ways, for example, as 15531481 + 8288641 = 3941^2 + 2879^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 23820094 and 23820103.

It is not an unprimeable number, because it can be changed into a prime (23820127) 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, 25547 + ... + 26462.

Almost surely, 223820122 is an apocalyptic number.

23820122 is a deficient number, since it is larger than the sum of its proper divisors (12066778).

23820122 is a wasteful number, since it uses less digits than its factorization.

23820122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52240.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 23820122 is about 4880.5862352795. The cubic root of 23820122 is about 287.7274701356.

Adding to 23820122 its reverse (22102832), we get a palindrome (45922954).

The spelling of 23820122 in words is "twenty-three million, eight hundred twenty thousand, one hundred twenty-two".

Divisors: 1 2 229 458 52009 104018 11910061 23820122