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230321436 = 22341468133
BaseRepresentation
bin11011011101001…
…10110100011100
3121001101112121120
431232212310130
5432430241221
634504330540
75464462032
oct1556466434
9531345546
10230321436
111090129a4
1265173a50
1338942697
1422836552
15153485c6
hexdba6d1c

230321436 has 24 divisors (see below), whose sum is σ = 550525584. Its totient is φ = 74901120.

The previous prime is 230321417. The next prime is 230321437. The reversal of 230321436 is 634123032.

It is a super-2 number, since 2×2303214362 = 106095927762204192, which contains 22 as substring.

It is an alternating number because its digits alternate between even and odd.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (230321437) 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, 233575 + ... + 234558.

It is an arithmetic number, because the mean of its divisors is an integer number (22938566).

Almost surely, 2230321436 is an apocalyptic number.

It is an amenable number.

230321436 is an abundant number, since it is smaller than the sum of its proper divisors (320204148).

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

230321436 is a wasteful number, since it uses less digits than its factorization.

230321436 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468181 (or 468179 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 230321436 is about 15176.3446191763. The cubic root of 230321436 is about 612.9778570508.

Adding to 230321436 its reverse (634123032), we get a palindrome (864444468).

The spelling of 230321436 in words is "two hundred thirty million, three hundred twenty-one thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 41 82 123 164 246 492 468133 936266 1404399 1872532 2808798 5617596 19193453 38386906 57580359 76773812 115160718 230321436