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22303030 = 252976907
BaseRepresentation
bin101010100010…
…1000100110110
31112222010000011
41111011010312
521202144110
62114010434
7360400261
oct125050466
945863004
1022303030
1111653662
127576a1a
13480b779
142d67cd8
151e5848a
hex1545136

22303030 has 16 divisors (see below), whose sum is σ = 41530320. Its totient is φ = 8613472.

The previous prime is 22303019. The next prime is 22303037. The reversal of 22303030 is 3030322.

22303030 is a modest number, since divided by 3030 gives 2230 as remainder.

It is a self number, because there is not a number n which added to its sum of digits gives 22303030.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (22303037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38164 + ... + 38743.

It is an arithmetic number, because the mean of its divisors is an integer number (2595645).

Almost surely, 222303030 is an apocalyptic number.

22303030 is a deficient number, since it is larger than the sum of its proper divisors (19227290).

22303030 is a wasteful number, since it uses less digits than its factorization.

22303030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76943.

The product of its (nonzero) digits is 108, while the sum is 13.

The square root of 22303030 is about 4722.6083894390. The cubic root of 22303030 is about 281.4845891320.

Adding to 22303030 its reverse (3030322), we get a palindrome (25333352).

It can be divided in two parts, 2 and 2303030, that added together give a palindrome (2303032).

The spelling of 22303030 in words is "twenty-two million, three hundred three thousand, thirty".

Divisors: 1 2 5 10 29 58 145 290 76907 153814 384535 769070 2230303 4460606 11151515 22303030