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22030242 = 2313282439
BaseRepresentation
bin101010000001…
…0011110100010
31112110020210220
41110002132202
521114431432
62104103510
7355153053
oct124023642
945406726
1022030242
1111487713
127464b96
134744560
142cd672a
151e0272c
hex15027a2

22030242 has 16 divisors (see below), whose sum is σ = 47449920. Its totient is φ = 6778512.

The previous prime is 22030241. The next prime is 22030247. The reversal of 22030242 is 24203022.

It is not an unprimeable number, because it can be changed into a prime (22030241) 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, 141142 + ... + 141297.

It is an arithmetic number, because the mean of its divisors is an integer number (2965620).

Almost surely, 222030242 is an apocalyptic number.

22030242 is an abundant number, since it is smaller than the sum of its proper divisors (25419678).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

22030242 is a wasteful number, since it uses less digits than its factorization.

22030242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282457.

The product of its (nonzero) digits is 192, while the sum is 15.

The square root of 22030242 is about 4693.6384607253. The cubic root of 22030242 is about 280.3322671178.

Adding to 22030242 its reverse (24203022), we get a palindrome (46233264).

The spelling of 22030242 in words is "twenty-two million, thirty thousand, two hundred forty-two".

Divisors: 1 2 3 6 13 26 39 78 282439 564878 847317 1694634 3671707 7343414 11015121 22030242