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82556928 = 211331493
BaseRepresentation
bin1001110101110…
…11100000000000
312202100022211000
410322323200000
5132113310203
612105252000
72021502516
oct472734000
9182308730
1082556928
1142668273
1223794000
131414716c
14ad704b6
1573ab4a3
hex4ebb800

82556928 has 96 divisors (see below), whose sum is σ = 244717200. Its totient is φ = 27500544.

The previous prime is 82556921. The next prime is 82556963. The reversal of 82556928 is 82965528.

82556928 is a `hidden beast` number, since 8 + 2 + 556 + 92 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82556921) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 54550 + ... + 56042.

Almost surely, 282556928 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 82556928, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (122358600).

82556928 is an abundant number, since it is smaller than the sum of its proper divisors (162160272).

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

82556928 is a wasteful number, since it uses less digits than its factorization.

82556928 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524 (or 1498 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The square root of 82556928 is about 9086.0843051339. The cubic root of 82556928 is about 435.4294925713.

The spelling of 82556928 in words is "eighty-two million, five hundred fifty-six thousand, nine hundred twenty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 64 72 96 108 128 144 192 216 256 288 384 432 512 576 768 864 1024 1152 1493 1536 1728 2048 2304 2986 3072 3456 4479 4608 5972 6144 6912 8958 9216 11944 13437 13824 17916 18432 23888 26874 27648 35832 40311 47776 53748 55296 71664 80622 95552 107496 143328 161244 191104 214992 286656 322488 382208 429984 573312 644976 764416 859968 1146624 1289952 1528832 1719936 2293248 2579904 3057664 3439872 4586496 5159808 6879744 9172992 10319616 13759488 20639232 27518976 41278464 82556928