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28733026 = 27172329181
BaseRepresentation
bin110110110011…
…0111001100010
32000001210022011
41231212321202
524323424101
62503503134
7466140520
oct155467142
960053264
1028733026
1115245603
129757aaa
135c503ba
143b5d310
1527c8751
hex1b66e62

28733026 has 64 divisors (see below), whose sum is σ = 56609280. Its totient is φ = 10644480.

The previous prime is 28733021. The next prime is 28733039. The reversal of 28733026 is 62033782.

It is not an unprimeable number, because it can be changed into a prime (28733021) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 158656 + ... + 158836.

It is an arithmetic number, because the mean of its divisors is an integer number (884520).

Almost surely, 228733026 is an apocalyptic number.

28733026 is a deficient number, since it is larger than the sum of its proper divisors (27876254).

28733026 is a wasteful number, since it uses less digits than its factorization.

28733026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 28733026 is about 5360.3195800251. The cubic root of 28733026 is about 306.2859829440.

The spelling of 28733026 in words is "twenty-eight million, seven hundred thirty-three thousand, twenty-six".

Divisors: 1 2 7 14 17 23 29 34 46 58 119 161 181 203 238 322 362 391 406 493 667 782 986 1267 1334 2534 2737 3077 3451 4163 4669 5249 5474 6154 6902 8326 9338 10498 11339 21539 22678 29141 36743 43078 58282 70771 73486 79373 89233 120727 141542 158746 178466 241454 495397 624631 845089 990794 1249262 1690178 2052359 4104718 14366513 28733026