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23243500 = 2253729229
BaseRepresentation
bin101100010101…
…0101011101100
31121201220002101
41120222223230
521422243000
62150104444
7401365210
oct130525354
947656071
1023243500
1112136205
12794b124
134a7a867
143130940
152091e6a
hex162aaec

23243500 has 96 divisors (see below), whose sum is σ = 60278400. Its totient is φ = 7660800.

The previous prime is 23243497. The next prime is 23243543. The reversal of 23243500 is 534232.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101386 + ... + 101614.

It is an arithmetic number, because the mean of its divisors is an integer number (627900).

Almost surely, 223243500 is an apocalyptic number.

23243500 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 23243500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30139200).

23243500 is an abundant number, since it is smaller than the sum of its proper divisors (37034900).

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

23243500 is a wasteful number, since it uses less digits than its factorization.

23243500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 284 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 19.

The square root of 23243500 is about 4821.1513147795. The cubic root of 23243500 is about 285.3867735282.

Adding to 23243500 its reverse (534232), we get a palindrome (23777732).

The spelling of 23243500 in words is "twenty-three million, two hundred forty-three thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 29 35 50 58 70 100 116 125 140 145 175 203 229 250 290 350 406 458 500 580 700 725 812 875 916 1015 1145 1450 1603 1750 2030 2290 2900 3206 3500 3625 4060 4580 5075 5725 6412 6641 7250 8015 10150 11450 13282 14500 16030 20300 22900 25375 26564 28625 32060 33205 40075 46487 50750 57250 66410 80150 92974 101500 114500 132820 160300 166025 185948 200375 232435 332050 400750 464870 664100 801500 830125 929740 1162175 1660250 2324350 3320500 4648700 5810875 11621750 23243500