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28074592 = 2571331311
BaseRepresentation
bin110101100011…
…0001001100000
31221211100002201
41223012021200
524141341332
62441422544
7460426060
oct153061140
957740081
1028074592
1114935947
12949aa54
135a7c7b0
143a2b3a0
1526e85e7
hex1ac6260

28074592 has 96 divisors (see below), whose sum is σ = 70447104. Its totient is φ = 10713600.

The previous prime is 28074589. The next prime is 28074593. The reversal of 28074592 is 29547082.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28074593) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 90117 + ... + 90427.

It is an arithmetic number, because the mean of its divisors is an integer number (733824).

Almost surely, 228074592 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 28074592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35223552).

28074592 is an abundant number, since it is smaller than the sum of its proper divisors (42372512).

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

28074592 is a wasteful number, since it uses less digits than its factorization.

28074592 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 372 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 28074592 is about 5298.5462157086. The cubic root of 28074592 is about 303.9283071936.

The spelling of 28074592 in words is "twenty-eight million, seventy-four thousand, five hundred ninety-two".

Divisors: 1 2 4 7 8 13 14 16 26 28 31 32 52 56 62 91 104 112 124 182 208 217 224 248 311 364 403 416 434 496 622 728 806 868 992 1244 1456 1612 1736 2177 2488 2821 2912 3224 3472 4043 4354 4976 5642 6448 6944 8086 8708 9641 9952 11284 12896 16172 17416 19282 22568 28301 32344 34832 38564 45136 56602 64688 67487 69664 77128 90272 113204 125333 129376 134974 154256 226408 250666 269948 308512 452816 501332 539896 877331 905632 1002664 1079792 1754662 2005328 2159584 3509324 4010656 7018648 14037296 28074592