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82957392 = 2433723919
BaseRepresentation
bin1001111000111…
…01010001010000
312210002200011000
410330131101100
5132214114032
612122022000
72025061200
oct474352120
9183080130
1082957392
1142911131
1223947900
131425751b
14b036400
157439e7c
hex4f1d450

82957392 has 120 divisors (see below), whose sum is σ = 277065600. Its totient is φ = 23696064.

The previous prime is 82957373. The next prime is 82957403. The reversal of 82957392 is 29375928.

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, 19209 + ... + 23127.

It is an arithmetic number, because the mean of its divisors is an integer number (2308880).

Almost surely, 282957392 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 82957392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138532800).

82957392 is an abundant number, since it is smaller than the sum of its proper divisors (194108208).

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

82957392 is a wasteful number, since it uses less digits than its factorization.

82957392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3950 (or 3931 counting only the distinct ones).

The product of its digits is 272160, while the sum is 45.

The square root of 82957392 is about 9108.0948611661. The cubic root of 82957392 is about 436.1324121576.

The spelling of 82957392 in words is "eighty-two million, nine hundred fifty-seven thousand, three hundred ninety-two".

Divisors: 1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 36 42 48 49 54 56 63 72 84 98 108 112 126 144 147 168 189 196 216 252 294 336 378 392 432 441 504 588 756 784 882 1008 1176 1323 1512 1764 2352 2646 3024 3528 3919 5292 7056 7838 10584 11757 15676 21168 23514 27433 31352 35271 47028 54866 62704 70542 82299 94056 105813 109732 141084 164598 188112 192031 211626 219464 246897 282168 329196 384062 423252 438928 493794 564336 576093 658392 740691 768124 846504 987588 1152186 1316784 1481382 1536248 1693008 1728279 1975176 2304372 2962764 3072496 3456558 3950352 4608744 5184837 5925528 6913116 9217488 10369674 11851056 13826232 20739348 27652464 41478696 82957392