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82850688 = 273461131
BaseRepresentation
bin1001111000000…
…11001110000000
312202220020210000
410330003032000
5132202210223
612115440000
72024135124
oct474031600
9182806700
1082850688
1142848a48
12238b6000
131421aa9b
14b009584
157418543
hex4f03380

82850688 has 160 divisors (see below), whose sum is σ = 252517320. Its totient is φ = 26956800.

The previous prime is 82850633. The next prime is 82850701. The reversal of 82850688 is 88605828.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 632383 + ... + 632513.

Almost surely, 282850688 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 82850688, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (126258660).

82850688 is an abundant number, since it is smaller than the sum of its proper divisors (169666632).

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

82850688 is a wasteful number, since it uses less digits than its factorization.

82850688 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218 (or 197 counting only the distinct ones).

The product of its (nonzero) digits is 245760, while the sum is 45.

The square root of 82850688 is about 9102.2353298517. The cubic root of 82850688 is about 435.9453400602.

It can be divided in two parts, 82850 and 688, that added together give a palindrome (83538).

The spelling of 82850688 in words is "eighty-two million, eight hundred fifty thousand, six hundred eighty-eight".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 32 36 48 54 61 64 72 81 96 108 122 128 131 144 162 183 192 216 244 262 288 324 366 384 393 432 488 524 549 576 648 732 786 864 976 1048 1098 1152 1179 1296 1464 1572 1647 1728 1952 2096 2196 2358 2592 2928 3144 3294 3456 3537 3904 4192 4392 4716 4941 5184 5856 6288 6588 7074 7808 7991 8384 8784 9432 9882 10368 10611 11712 12576 13176 14148 15982 16768 17568 18864 19764 21222 23424 23973 25152 26352 28296 31964 35136 37728 39528 42444 47946 50304 52704 56592 63928 70272 71919 75456 79056 84888 95892 105408 113184 127856 143838 150912 158112 169776 191784 210816 215757 226368 255712 287676 316224 339552 383568 431514 452736 511424 575352 632448 647271 679104 767136 863028 1022848 1150704 1294542 1358208 1534272 1726056 2301408 2589084 3068544 3452112 4602816 5178168 6904224 9205632 10356336 13808448 20712672 27616896 41425344 82850688