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28594037 = 232191283
BaseRepresentation
bin110110100010…
…0111101110101
31222210201122102
41231010331311
524310002122
62500511445
7465021353
oct155047565
958721572
1028594037
111516013a
1296ab585
135c02064
143b247d3
15279c492
hex1b44f75

28594037 has 12 divisors (see below), whose sum is σ = 30153984. Its totient is φ = 27111480.

The previous prime is 28593989. The next prime is 28594039. The reversal of 28594037 is 73049582.

It is not a de Polignac number, because 28594037 - 28 = 28593781 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28594039) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 100898 + ... + 101180.

It is an arithmetic number, because the mean of its divisors is an integer number (2512832).

Almost surely, 228594037 is an apocalyptic number.

It is an amenable number.

28594037 is a deficient number, since it is larger than the sum of its proper divisors (1559947).

28594037 is a wasteful number, since it uses less digits than its factorization.

28594037 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 520 (or 497 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 38.

The square root of 28594037 is about 5347.3392448955. The cubic root of 28594037 is about 305.7913232584.

The spelling of 28594037 in words is "twenty-eight million, five hundred ninety-four thousand, thirty-seven".

Divisors: 1 23 191 283 529 4393 6509 54053 101039 149707 1243219 28594037