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22503230 = 256133671
BaseRepresentation
bin101010111010…
…1111100111110
31120100021121222
41111311330332
521230100410
62122153342
7362163041
oct125657476
946307558
1022503230
1111780012
127652852
13487b929
142dbac58
151e97955
hex1575f3e

22503230 has 16 divisors (see below), whose sum is σ = 40582944. Its totient is φ = 8984160.

The previous prime is 22503227. The next prime is 22503251. The reversal of 22503230 is 3230522.

It is a junction number, because it is equal to n+sod(n) for n = 22503199 and 22503208.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4295 + ... + 7965.

It is an arithmetic number, because the mean of its divisors is an integer number (2536434).

Almost surely, 222503230 is an apocalyptic number.

22503230 is a deficient number, since it is larger than the sum of its proper divisors (18079714).

22503230 is a wasteful number, since it uses less digits than its factorization.

22503230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4291.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 22503230 is about 4743.7569499290. The cubic root of 22503230 is about 282.3243171129.

Adding to 22503230 its reverse (3230522), we get a palindrome (25733752).

The spelling of 22503230 in words is "twenty-two million, five hundred three thousand, two hundred thirty".

Divisors: 1 2 5 10 613 1226 3065 3671 6130 7342 18355 36710 2250323 4500646 11251615 22503230