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28852254 = 233534301
BaseRepresentation
bin110111000010…
…0000000011110
32000021211212000
41232010000132
524341233004
62510223130
7500145234
oct156040036
960254760
1028852254
1115317142
1297b4aa6
135c92752
143b90954
1527edc39
hex1b8401e

28852254 has 16 divisors (see below), whose sum is σ = 64116240. Its totient is φ = 9617400.

The previous prime is 28852253. The next prime is 28852259. The reversal of 28852254 is 45225882.

28852254 is a `hidden beast` number, since 2 + 88 + 522 + 54 = 666.

It is a super-3 number, since 3×288522543 (a number of 23 digits) contains 333 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28852253) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 267097 + ... + 267204.

It is an arithmetic number, because the mean of its divisors is an integer number (4007265).

Almost surely, 228852254 is an apocalyptic number.

28852254 is an abundant number, since it is smaller than the sum of its proper divisors (35263986).

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

28852254 is a wasteful number, since it uses less digits than its factorization.

28852254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 534312 (or 534306 counting only the distinct ones).

The product of its digits is 51200, while the sum is 36.

The square root of 28852254 is about 5371.4294186929. The cubic root of 28852254 is about 306.7090439757.

The spelling of 28852254 in words is "twenty-eight million, eight hundred fifty-two thousand, two hundred fifty-four".

Divisors: 1 2 3 6 9 18 27 54 534301 1068602 1602903 3205806 4808709 9617418 14426127 28852254