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28114695 = 345747211
BaseRepresentation
bin110101100111…
…1111100000111
31221220101010000
41223033330013
524144132240
62442332343
7460654020
oct153177407
957811100
1028114695
1114962a94
1294ba0b3
135a94b1b
143a3bc47
152705430
hex1acff07

28114695 has 80 divisors (see below), whose sum is σ = 59102208. Its totient is φ = 12519360.

The previous prime is 28114693. The next prime is 28114703. The reversal of 28114695 is 59641182.

It is not a de Polignac number, because 28114695 - 21 = 28114693 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28114693) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 133140 + ... + 133350.

Almost surely, 228114695 is an apocalyptic number.

28114695 is an abundant number, since it is smaller than the sum of its proper divisors (30987513).

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

28114695 is a wasteful number, since it uses less digits than its factorization.

28114695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282 (or 273 counting only the distinct ones).

The product of its digits is 17280, while the sum is 36.

The square root of 28114695 is about 5302.3292051701. The cubic root of 28114695 is about 304.0729532613.

The spelling of 28114695 in words is "twenty-eight million, one hundred fourteen thousand, six hundred ninety-five".

Divisors: 1 3 5 7 9 15 21 27 35 45 47 63 81 105 135 141 189 211 235 315 329 405 423 567 633 705 945 987 1055 1269 1477 1645 1899 2115 2835 2961 3165 3807 4431 4935 5697 6345 7385 8883 9495 9917 13293 14805 17091 19035 22155 26649 28485 29751 39879 44415 49585 66465 69419 85455 89253 119637 133245 148755 199395 208257 267759 347095 446265 598185 624771 803277 1041285 1338795 1874313 3123855 4016385 5622939 9371565 28114695