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28252834 = 227152127
BaseRepresentation
bin110101111000…
…1101010100010
31222011101121021
41223301222202
524213042314
62445320054
7462100531
oct153615242
958141537
1028252834
1114a47855
12956602a
135b1296c
143a76318
152731324
hex1af1aa2

28252834 has 8 divisors (see below), whose sum is σ = 42536448. Its totient is φ = 14074020.

The previous prime is 28252787. The next prime is 28252837. The reversal of 28252834 is 43825282.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 28252834.

It is not an unprimeable number, because it can be changed into a prime (28252837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25522 + ... + 26605.

It is an arithmetic number, because the mean of its divisors is an integer number (5317056).

Almost surely, 228252834 is an apocalyptic number.

28252834 is a deficient number, since it is larger than the sum of its proper divisors (14283614).

28252834 is a wasteful number, since it uses less digits than its factorization.

28252834 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 52400.

The product of its digits is 30720, while the sum is 34.

The square root of 28252834 is about 5315.3394999755. The cubic root of 28252834 is about 304.5701514470.

The spelling of 28252834 in words is "twenty-eight million, two hundred fifty-two thousand, eight hundred thirty-four".

Divisors: 1 2 271 542 52127 104254 14126417 28252834