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28480952 = 235983727
BaseRepresentation
bin110110010100…
…1010110111000
31222120222112002
41230221112320
524242342302
62454240132
7464040563
oct154512670
958528462
1028480952
1115093185
129656048
135b92746
143ad54da
152778c02
hex1b295b8

28480952 has 32 divisors (see below), whose sum is σ = 55036800. Its totient is φ = 13811424.

The previous prime is 28480951. The next prime is 28480957. The reversal of 28480952 is 25908482.

It is a super-2 number, since 2×284809522 = 1622329253652608, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28480951) by changing a digit.

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, 38813 + ... + 39539.

It is an arithmetic number, because the mean of its divisors is an integer number (1719900).

Almost surely, 228480952 is an apocalyptic number.

It is an amenable number.

28480952 is a deficient number, since it is larger than the sum of its proper divisors (26555848).

28480952 is a wasteful number, since it uses less digits than its factorization.

28480952 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 875 (or 871 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 38.

The square root of 28480952 is about 5336.7548191762. The cubic root of 28480952 is about 305.3876715117.

The spelling of 28480952 in words is "twenty-eight million, four hundred eighty thousand, nine hundred fifty-two".

Divisors: 1 2 4 8 59 83 118 166 236 332 472 664 727 1454 2908 4897 5816 9794 19588 39176 42893 60341 85786 120682 171572 241364 343144 482728 3560119 7120238 14240476 28480952