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23040500 = 2253729227
BaseRepresentation
bin101011111100…
…1000111110100
31121100120121212
41113321013310
521344244000
62141500552
7366561320
oct127710764
947316555
1023040500
111200773a
127871758
134a09342
1430ba980
152051c35
hex15f91f4

23040500 has 96 divisors (see below), whose sum is σ = 59754240. Its totient is φ = 7593600.

The previous prime is 23040497. The next prime is 23040541. The reversal of 23040500 is 504032.

It is a Harshad number since it is a multiple of its sum of digits (14).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 101387 + ... + 101613.

It is an arithmetic number, because the mean of its divisors is an integer number (622440).

Almost surely, 223040500 is an apocalyptic number.

23040500 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 23040500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (29877120).

23040500 is an abundant number, since it is smaller than the sum of its proper divisors (36713740).

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

23040500 is a wasteful number, since it uses less digits than its factorization.

23040500 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 282 (or 270 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 14.

The square root of 23040500 is about 4800.0520830508. The cubic root of 23040500 is about 284.5535227316.

Adding to 23040500 its reverse (504032), we get a palindrome (23544532).

The spelling of 23040500 in words is "twenty-three million, forty thousand, five hundred".

Divisors: 1 2 4 5 7 10 14 20 25 28 29 35 50 58 70 100 116 125 140 145 175 203 227 250 290 350 406 454 500 580 700 725 812 875 908 1015 1135 1450 1589 1750 2030 2270 2900 3178 3500 3625 4060 4540 5075 5675 6356 6583 7250 7945 10150 11350 13166 14500 15890 20300 22700 25375 26332 28375 31780 32915 39725 46081 50750 56750 65830 79450 92162 101500 113500 131660 158900 164575 184324 198625 230405 329150 397250 460810 658300 794500 822875 921620 1152025 1645750 2304050 3291500 4608100 5760125 11520250 23040500