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85984576 = 2619312281
BaseRepresentation
bin1010010000000…
…00010101000000
312222210110122221
411020000111000
5134003001301
612310540424
72062566616
oct510002500
9188713587
1085984576
1144599537
1224967714
1314a77362
14b5c36b6
157836da1
hex5200540

85984576 has 56 divisors (see below), whose sum is σ = 185480960. Its totient is φ = 39398400.

The previous prime is 85984553. The next prime is 85984579. The reversal of 85984576 is 67548958.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85984579) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36556 + ... + 38836.

It is an arithmetic number, because the mean of its divisors is an integer number (3312160).

Almost surely, 285984576 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 85984576, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (92740480).

85984576 is an abundant number, since it is smaller than the sum of its proper divisors (99496384).

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

85984576 is a wasteful number, since it uses less digits than its factorization.

85984576 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2343 (or 2333 counting only the distinct ones).

The product of its digits is 2419200, while the sum is 52.

The square root of 85984576 is about 9272.7868518585. The cubic root of 85984576 is about 441.3741064446.

The spelling of 85984576 in words is "eighty-five million, nine hundred eighty-four thousand, five hundred seventy-six".

Divisors: 1 2 4 8 16 19 31 32 38 62 64 76 124 152 248 304 496 589 608 992 1178 1216 1984 2281 2356 4562 4712 9124 9424 18248 18848 36496 37696 43339 70711 72992 86678 141422 145984 173356 282844 346712 565688 693424 1131376 1343509 1386848 2262752 2687018 2773696 4525504 5374036 10748072 21496144 42992288 85984576