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28460934 = 2321581163
BaseRepresentation
bin110110010010…
…0011110000110
31222112222001200
41230210132012
524241222214
62454003330
7463625325
oct154443606
958488050
1028460934
111507a137
129646546
135b865b8
143acc0bc
152772d09
hex1b24786

28460934 has 12 divisors (see below), whose sum is σ = 61665396. Its totient is φ = 9486972.

The previous prime is 28460923. The next prime is 28461047. The reversal of 28460934 is 43906482.

It is a happy number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 790564 + ... + 790599.

It is an arithmetic number, because the mean of its divisors is an integer number (5138783).

Almost surely, 228460934 is an apocalyptic number.

28460934 is an abundant number, since it is smaller than the sum of its proper divisors (33204462).

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

28460934 is a wasteful number, since it uses less digits than its factorization.

28460934 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1581171 (or 1581168 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 36.

The square root of 28460934 is about 5334.8790051884. The cubic root of 28460934 is about 305.3161069187.

The spelling of 28460934 in words is "twenty-eight million, four hundred sixty thousand, nine hundred thirty-four".

Divisors: 1 2 3 6 9 18 1581163 3162326 4743489 9486978 14230467 28460934