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28466375 = 53732533
BaseRepresentation
bin110110010010…
…1110011000111
31222120020112012
41230211303013
524241411000
62454044435
7463650230
oct154456307
958506465
1028466375
1115083233
12964971b
135b88c12
143ad0087
152774735
hex1b25cc7

28466375 has 16 divisors (see below), whose sum is σ = 40602432. Its totient is φ = 19519200.

The previous prime is 28466363. The next prime is 28466407. The reversal of 28466375 is 57366482.

It is a happy number.

It is not a de Polignac number, because 28466375 - 24 = 28466359 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15392 + ... + 17141.

It is an arithmetic number, because the mean of its divisors is an integer number (2537652).

Almost surely, 228466375 is an apocalyptic number.

28466375 is a gapful number since it is divisible by the number (25) formed by its first and last digit.

28466375 is a deficient number, since it is larger than the sum of its proper divisors (12136057).

28466375 is an equidigital number, since it uses as much as digits as its factorization.

28466375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32555 (or 32545 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The square root of 28466375 is about 5335.3889267794. The cubic root of 28466375 is about 305.3355618797.

The spelling of 28466375 in words is "twenty-eight million, four hundred sixty-six thousand, three hundred seventy-five".

Divisors: 1 5 7 25 35 125 175 875 32533 162665 227731 813325 1138655 4066625 5693275 28466375