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24142020 = 22357471223
BaseRepresentation
bin101110000011…
…0000011000100
31200102112121220
41130012003010
522140021040
62221240340
7412126620
oct134060304
950375556
1024142020
111269a291
1281030b0
135003826
1432c6180
1521bd2d0
hex17060c4

24142020 has 96 divisors (see below), whose sum is σ = 78962688. Its totient is φ = 5396352.

The previous prime is 24142009. The next prime is 24142037. The reversal of 24142020 is 2024142.

It is a Harshad number since it is a multiple of its sum of digits (15).

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, 19129 + ... + 20351.

It is an arithmetic number, because the mean of its divisors is an integer number (822528).

Almost surely, 224142020 is an apocalyptic number.

24142020 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 24142020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (39481344).

24142020 is an abundant number, since it is smaller than the sum of its proper divisors (54820668).

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

24142020 is a wasteful number, since it uses less digits than its factorization.

24142020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1289 (or 1287 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 15.

The square root of 24142020 is about 4913.4529610041. The cubic root of 24142020 is about 289.0177629037.

Adding to 24142020 its reverse (2024142), we get a palindrome (26166162).

The spelling of 24142020 in words is "twenty-four million, one hundred forty-two thousand, twenty".

Divisors: 1 2 3 4 5 6 7 10 12 14 15 20 21 28 30 35 42 47 60 70 84 94 105 140 141 188 210 235 282 329 420 470 564 658 705 940 987 1223 1316 1410 1645 1974 2446 2820 3290 3669 3948 4892 4935 6115 6580 7338 8561 9870 12230 14676 17122 18345 19740 24460 25683 34244 36690 42805 51366 57481 73380 85610 102732 114962 128415 171220 172443 229924 256830 287405 344886 402367 513660 574810 689772 804734 862215 1149620 1207101 1609468 1724430 2011835 2414202 3448860 4023670 4828404 6035505 8047340 12071010 24142020