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28295528 = 2337109877
BaseRepresentation
bin110101111110…
…0000101101000
31222020120011112
41223330011220
524220424103
62450245452
7462336152
oct153740550
958216145
1028295528
1114a76938
129586888
135b29221
143a87ad2
15273dcd8
hex1afc168

28295528 has 32 divisors (see below), whose sum is σ = 55050600. Its totient is φ = 13623552.

The previous prime is 28295479. The next prime is 28295557. The reversal of 28295528 is 82559282.

It can be written as a sum of positive squares in 4 ways, for example, as 27857284 + 438244 = 5278^2 + 662^2 .

It is a super-3 number, since 3×282955283 (a number of 23 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31826 + ... + 32702.

Almost surely, 228295528 is an apocalyptic number.

It is an amenable number.

28295528 is a deficient number, since it is larger than the sum of its proper divisors (26755072).

28295528 is a wasteful number, since it uses less digits than its factorization.

28295528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029 (or 1025 counting only the distinct ones).

The product of its digits is 115200, while the sum is 41.

The square root of 28295528 is about 5319.3540961286. The cubic root of 28295528 is about 304.7234903250.

The spelling of 28295528 in words is "twenty-eight million, two hundred ninety-five thousand, five hundred twenty-eight".

Divisors: 1 2 4 8 37 74 109 148 218 296 436 872 877 1754 3508 4033 7016 8066 16132 32264 32449 64898 95593 129796 191186 259592 382372 764744 3536941 7073882 14147764 28295528