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28058652 = 22327431049
BaseRepresentation
bin110101100001…
…0010000011100
31221210112020100
41223002100130
524140334102
62441221100
7460331436
oct153022034
957715210
1028058652
1114924976
129491790
135a7546b
143a25656
1526e3a1c
hex1ac241c

28058652 has 36 divisors (see below), whose sum is σ = 71089200. Its totient is φ = 9331392.

The previous prime is 28058647. The next prime is 28058699. The reversal of 28058652 is 25685082.

28058652 is a `hidden beast` number, since 28 + 0 + 586 + 52 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 26224 + ... + 27272.

It is an arithmetic number, because the mean of its divisors is an integer number (1974700).

Almost surely, 228058652 is an apocalyptic number.

It is an amenable number.

28058652 is an abundant number, since it is smaller than the sum of its proper divisors (43030548).

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

28058652 is a wasteful number, since it uses less digits than its factorization.

28058652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 28058652 is about 5297.0418159573. The cubic root of 28058652 is about 303.8707755248.

The spelling of 28058652 in words is "twenty-eight million, fifty-eight thousand, six hundred fifty-two".

Divisors: 1 2 3 4 6 9 12 18 36 743 1049 1486 2098 2229 2972 3147 4196 4458 6294 6687 8916 9441 12588 13374 18882 26748 37764 779407 1558814 2338221 3117628 4676442 7014663 9352884 14029326 28058652