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28770350 = 2527211743
BaseRepresentation
bin110110111000…
…0000000101110
32000010200111112
41231300000232
524331122400
62504352022
7466354400
oct155600056
960120445
1028770350
1115270654
129775612
135c6439b
143b6cb70
1527d4835
hex1b7002e

28770350 has 36 divisors (see below), whose sum is σ = 62254944. Its totient is φ = 9863280.

The previous prime is 28770337. The next prime is 28770353. The reversal of 28770350 is 5307782.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28770353) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3422 + ... + 8321.

It is an arithmetic number, because the mean of its divisors is an integer number (1729304).

Almost surely, 228770350 is an apocalyptic number.

28770350 is an abundant number, since it is smaller than the sum of its proper divisors (33484594).

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

28770350 is a wasteful number, since it uses less digits than its factorization.

28770350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11769 (or 11757 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 32.

The square root of 28770350 is about 5363.7999589843. The cubic root of 28770350 is about 306.4185466780.

The spelling of 28770350 in words is "twenty-eight million, seven hundred seventy thousand, three hundred fifty".

Divisors: 1 2 5 7 10 14 25 35 49 50 70 98 175 245 350 490 1225 2450 11743 23486 58715 82201 117430 164402 293575 411005 575407 587150 822010 1150814 2055025 2877035 4110050 5754070 14385175 28770350