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23428800 = 2632521627
BaseRepresentation
bin101100101011…
…1111011000000
31122002022021100
41121113323000
521444210200
62154054400
7403066353
oct131277300
948068240
1023428800
111225244a
127a1a400
134b13cc5
14317c29a
1520cbd00
hex1657ec0

23428800 has 126 divisors (see below), whose sum is σ = 83322668. Its totient is φ = 6243840.

The previous prime is 23428799. The next prime is 23428817. The reversal of 23428800 is 882432.

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 17 ways as a sum of consecutive naturals, for example, 13587 + ... + 15213.

Almost surely, 223428800 is an apocalyptic number.

23428800 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 23428800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41661334).

23428800 is an abundant number, since it is smaller than the sum of its proper divisors (59893868).

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

23428800 is a wasteful number, since it uses less digits than its factorization.

23428800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1655 (or 1637 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 23428800 is about 4840.3305672237. The cubic root of 23428800 is about 286.1431464288.

The spelling of 23428800 in words is "twenty-three million, four hundred twenty-eight thousand, eight hundred".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 25 30 32 36 40 45 48 50 60 64 72 75 80 90 96 100 120 144 150 160 180 192 200 225 240 288 300 320 360 400 450 480 576 600 720 800 900 960 1200 1440 1600 1627 1800 2400 2880 3254 3600 4800 4881 6508 7200 8135 9762 13016 14400 14643 16270 19524 24405 26032 29286 32540 39048 40675 48810 52064 58572 65080 73215 78096 81350 97620 104128 117144 122025 130160 146430 156192 162700 195240 234288 244050 260320 292860 312384 325400 366075 390480 468576 488100 520640 585720 650800 732150 780960 937152 976200 1171440 1301600 1464300 1561920 1952400 2342880 2603200 2928600 3904800 4685760 5857200 7809600 11714400 23428800