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85964160 = 273544773
BaseRepresentation
bin1010001111110…
…11010110000000
312222202102122210
411013323112000
5134001323120
612310302120
72062453242
oct507732600
9188672583
1085964160
1144585167
1224957940
1314a6ac89
14b5ba092
157830ce0
hex51fb580

85964160 has 64 divisors (see below), whose sum is σ = 274016880. Its totient is φ = 22923264.

The previous prime is 85964159. The next prime is 85964161. The reversal of 85964160 is 6146958.

It is an interprime number because it is at equal distance from previous prime (85964159) and next prime (85964161).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (85964161) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20467 + ... + 24306.

Almost surely, 285964160 is an apocalyptic number.

85964160 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

85964160 is an abundant number, since it is smaller than the sum of its proper divisors (188052720).

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

85964160 is a wasteful number, since it uses less digits than its factorization.

85964160 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44795 (or 44783 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 39.

The square root of 85964160 is about 9271.6859308326. The cubic root of 85964160 is about 441.3391706942.

The spelling of 85964160 in words is "eighty-five million, nine hundred sixty-four thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 64 80 96 120 128 160 192 240 320 384 480 640 960 1920 44773 89546 134319 179092 223865 268638 358184 447730 537276 671595 716368 895460 1074552 1343190 1432736 1790920 2149104 2686380 2865472 3581840 4298208 5372760 5730944 7163680 8596416 10745520 14327360 17192832 21491040 28654720 42982080 85964160