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82936728 = 23327792083
BaseRepresentation
bin1001111000110…
…00001110011000
312210001121210200
410330120032120
5132212433403
612121342200
72024644020
oct474301630
9183047720
1082936728
11428a7656
1223937960
131424acb4
14b02ca80
157433ca3
hex4f18398

82936728 has 96 divisors (see below), whose sum is σ = 260083200. Its totient is φ = 23385024.

The previous prime is 82936703. The next prime is 82936739. The reversal of 82936728 is 82763928.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 38775 + ... + 40857.

It is an arithmetic number, because the mean of its divisors is an integer number (2709200).

Almost surely, 282936728 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 82936728, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (130041600).

82936728 is an abundant number, since it is smaller than the sum of its proper divisors (177146472).

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

82936728 is a wasteful number, since it uses less digits than its factorization.

82936728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2181 (or 2174 counting only the distinct ones).

The product of its digits is 290304, while the sum is 45.

The square root of 82936728 is about 9106.9604149793. The cubic root of 82936728 is about 436.0961968253.

The spelling of 82936728 in words is "eighty-two million, nine hundred thirty-six thousand, seven hundred twenty-eight".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 79 84 126 158 168 237 252 316 474 504 553 632 711 948 1106 1422 1659 1896 2083 2212 2844 3318 4166 4424 4977 5688 6249 6636 8332 9954 12498 13272 14581 16664 18747 19908 24996 29162 37494 39816 43743 49992 58324 74988 87486 116648 131229 149976 164557 174972 262458 329114 349944 493671 524916 658228 987342 1049832 1151899 1316456 1481013 1974684 2303798 2962026 3455697 3949368 4607596 5924052 6911394 9215192 10367091 11848104 13822788 20734182 27645576 41468364 82936728