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28824936 = 23372127193
BaseRepresentation
bin110110111110…
…1010101101000
32000020110101020
41231331111220
524334344221
62505452440
7500002500
oct155752550
960213336
1028824936
11152a8668
1297a1120
135c8319a
143b84a00
1527e5ac6
hex1b7d568

28824936 has 96 divisors (see below), whose sum is σ = 84925440. Its totient is φ = 8128512.

The previous prime is 28824923. The next prime is 28824949. The reversal of 28824936 is 63942882.

It is an interprime number because it is at equal distance from previous prime (28824923) and next prime (28824949).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 149256 + ... + 149448.

It is an arithmetic number, because the mean of its divisors is an integer number (884640).

Almost surely, 228824936 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28824936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (42462720).

28824936 is an abundant number, since it is smaller than the sum of its proper divisors (56100504).

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

28824936 is a wasteful number, since it uses less digits than its factorization.

28824936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343 (or 332 counting only the distinct ones).

The product of its digits is 165888, while the sum is 42.

The square root of 28824936 is about 5368.8859179536. The cubic root of 28824936 is about 306.6122136041.

The spelling of 28824936 in words is "twenty-eight million, eight hundred twenty-four thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 49 56 84 98 127 147 168 193 196 254 294 381 386 392 508 579 588 762 772 889 1016 1158 1176 1351 1524 1544 1778 2316 2667 2702 3048 3556 4053 4632 5334 5404 6223 7112 8106 9457 10668 10808 12446 16212 18669 18914 21336 24511 24892 28371 32424 37338 37828 49022 49784 56742 73533 74676 75656 98044 113484 147066 149352 171577 196088 226968 294132 343154 514731 588264 686308 1029462 1201039 1372616 2058924 2402078 3603117 4117848 4804156 7206234 9608312 14412468 28824936