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28676050 = 25213157281
BaseRepresentation
bin110110101100…
…0111111010010
31222221220010221
41231120333102
524320113200
62502343254
7465512434
oct155307722
958856127
1028676050
1115206817
12972ab2a
135c304a0
143b46654
1527b691a
hex1b58fd2

28676050 has 48 divisors (see below), whose sum is σ = 58011912. Its totient is φ = 10483200.

The previous prime is 28676029. The next prime is 28676057. The reversal of 28676050 is 5067682.

It can be written as a sum of positive squares in 12 ways, for example, as 42849 + 28633201 = 207^2 + 5351^2 .

It is a junction number, because it is equal to n+sod(n) for n = 28675997 and 28676015.

It is not an unprimeable number, because it can be changed into a prime (28676057) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 101910 + ... + 102190.

Almost surely, 228676050 is an apocalyptic number.

28676050 is an abundant number, since it is smaller than the sum of its proper divisors (29335862).

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

28676050 is a wasteful number, since it uses less digits than its factorization.

28676050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 463 (or 458 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 28676050 is about 5355.0023342665. The cubic root of 28676050 is about 306.0833995980.

The spelling of 28676050 in words is "twenty-eight million, six hundred seventy-six thousand, fifty".

Divisors: 1 2 5 10 13 25 26 50 65 130 157 281 314 325 562 650 785 1405 1570 2041 2810 3653 3925 4082 7025 7306 7850 10205 14050 18265 20410 36530 44117 51025 88234 91325 102050 182650 220585 441170 573521 1102925 1147042 2205850 2867605 5735210 14338025 28676050