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28225935 = 335419499
BaseRepresentation
bin110101110101…
…1000110001111
31222010000201000
41223223012033
524211212220
62444551343
7461626233
oct153530617
958100630
1028225935
1114a29621
129552553
135b0364a
143a6a5c3
152728390
hex1aeb18f

28225935 has 32 divisors (see below), whose sum is σ = 50400000. Its totient is φ = 14987808.

The previous prime is 28225927. The next prime is 28225937. The reversal of 28225935 is 53952282.

28225935 = T794 + T795 + ... + T874.

It is not a de Polignac number, because 28225935 - 23 = 28225927 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 28225935.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28225937) 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, 56316 + ... + 56814.

It is an arithmetic number, because the mean of its divisors is an integer number (1575000).

Almost surely, 228225935 is an apocalyptic number.

28225935 is a deficient number, since it is larger than the sum of its proper divisors (22174065).

28225935 is a wasteful number, since it uses less digits than its factorization.

28225935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932 (or 926 counting only the distinct ones).

The product of its digits is 43200, while the sum is 36.

The square root of 28225935 is about 5312.8085792733. The cubic root of 28225935 is about 304.4734622217.

The spelling of 28225935 in words is "twenty-eight million, two hundred twenty-five thousand, nine hundred thirty-five".

Divisors: 1 3 5 9 15 27 45 135 419 499 1257 1497 2095 2495 3771 4491 6285 7485 11313 13473 18855 22455 56565 67365 209081 627243 1045405 1881729 3136215 5645187 9408645 28225935