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23308230 = 2351126421
BaseRepresentation
bin101100011101…
…0011111000110
31121212011212210
41120322133012
521431330410
62151324250
7402055011
oct130723706
947764783
1023308230
111217a900
127980686
134aa116a
14314a378
1520a6220
hex163a7c6

23308230 has 48 divisors (see below), whose sum is σ = 61497072. Its totient is φ = 5649600.

The previous prime is 23308189. The next prime is 23308247. The reversal of 23308230 is 3280332.

23308230 = T893 + T894 + ... + T947.

It is a junction number, because it is equal to n+sod(n) for n = 23308197 and 23308206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 420 + ... + 6840.

It is an arithmetic number, because the mean of its divisors is an integer number (1281189).

Almost surely, 223308230 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23308230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30748536).

23308230 is an abundant number, since it is smaller than the sum of its proper divisors (38188842).

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

23308230 is a wasteful number, since it uses less digits than its factorization.

23308230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6453 (or 6442 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 23308230 is about 4827.8597742685. The cubic root of 23308230 is about 285.6514491577.

Adding to 23308230 its reverse (3280332), we get a palindrome (26588562).

The spelling of 23308230 in words is "twenty-three million, three hundred eight thousand, two hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 55 66 110 121 165 242 330 363 605 726 1210 1815 3630 6421 12842 19263 32105 38526 64210 70631 96315 141262 192630 211893 353155 423786 706310 776941 1059465 1553882 2118930 2330823 3884705 4661646 7769410 11654115 23308230