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24228864 = 2103211239
BaseRepresentation
bin101110001101…
…1010000000000
31200120221202100
41130123100000
522200310424
62223150400
7412641042
oct134332000
950527670
1024228864
1112749560
128145400
13503420a
143309a92
1521d8dc9
hex171b400

24228864 has 132 divisors (see below), whose sum is σ = 76639680. Its totient is φ = 7311360.

The previous prime is 24228863. The next prime is 24228871. The reversal of 24228864 is 46882242.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (132).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (24228863) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 101257 + ... + 101495.

Almost surely, 224228864 is an apocalyptic number.

24228864 is a gapful number since it is divisible by the number (24) 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 24228864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38319840).

24228864 is an abundant number, since it is smaller than the sum of its proper divisors (52410816).

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

24228864 is a wasteful number, since it uses less digits than its factorization.

24228864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 276 (or 255 counting only the distinct ones).

The product of its digits is 49152, while the sum is 36.

The square root of 24228864 is about 4922.2823974250. The cubic root of 24228864 is about 289.3639010557.

The spelling of 24228864 in words is "twenty-four million, two hundred twenty-eight thousand, eight hundred sixty-four".

Divisors: 1 2 3 4 6 8 9 11 12 16 18 22 24 32 33 36 44 48 64 66 72 88 96 99 128 132 144 176 192 198 239 256 264 288 352 384 396 478 512 528 576 704 717 768 792 956 1024 1056 1152 1408 1434 1536 1584 1912 2112 2151 2304 2629 2816 2868 3072 3168 3824 4224 4302 4608 5258 5632 5736 6336 7648 7887 8448 8604 9216 10516 11264 11472 12672 15296 15774 16896 17208 21032 22944 23661 25344 30592 31548 33792 34416 42064 45888 47322 50688 61184 63096 68832 84128 91776 94644 101376 122368 126192 137664 168256 183552 189288 244736 252384 275328 336512 367104 378576 504768 550656 673024 734208 757152 1009536 1101312 1346048 1514304 2019072 2202624 2692096 3028608 4038144 6057216 8076288 12114432 24228864