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85352800 = 25521329283
BaseRepresentation
bin1010001011001…
…10000101100000
312221121101000211
411011212011200
5133322242200
612245223504
72054325661
oct505460540
9187541024
1085352800
11441a7905
1224701b94
13148b5920
14b49b368
15775eaba
hex5166160

85352800 has 144 divisors (see below), whose sum is σ = 232953840. Its totient is φ = 30320640.

The previous prime is 85352797. The next prime is 85352809. The reversal of 85352800 is 825358.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85352809) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 301459 + ... + 301741.

It is an arithmetic number, because the mean of its divisors is an integer number (1617735).

Almost surely, 285352800 is an apocalyptic number.

85352800 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 85352800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116476920).

85352800 is an abundant number, since it is smaller than the sum of its proper divisors (147601040).

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

85352800 is a wasteful number, since it uses less digits than its factorization.

85352800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345 (or 332 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 31.

The square root of 85352800 is about 9238.6579111903. The cubic root of 85352800 is about 440.2904418474.

The spelling of 85352800 in words is "eighty-five million, three hundred fifty-two thousand, eight hundred".

Divisors: 1 2 4 5 8 10 13 16 20 25 26 29 32 40 50 52 58 65 80 100 104 116 130 145 160 200 208 232 260 283 290 325 377 400 416 464 520 566 580 650 725 754 800 928 1040 1132 1160 1300 1415 1450 1508 1885 2080 2264 2320 2600 2830 2900 3016 3679 3770 4528 4640 5200 5660 5800 6032 7075 7358 7540 8207 9056 9425 10400 11320 11600 12064 14150 14716 15080 16414 18395 18850 22640 23200 28300 29432 30160 32828 36790 37700 41035 45280 56600 58864 60320 65656 73580 75400 82070 91975 106691 113200 117728 131312 147160 150800 164140 183950 205175 213382 226400 262624 294320 301600 328280 367900 410350 426764 533455 588640 656560 735800 820700 853528 1066910 1313120 1471600 1641400 1707056 2133820 2667275 2943200 3282800 3414112 4267640 5334550 6565600 8535280 10669100 17070560 21338200 42676400 85352800