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86648160 = 2535971861
BaseRepresentation
bin1010010101000…
…10010101100000
320001001011221010
411022202111200
5134140220120
612333100520
72101332354
oct512422540
9201034833
1086648160
1144a02055
1225027740
1314c4a401
14b717464
1579187e0
hex52a2560

86648160 has 96 divisors (see below), whose sum is σ = 275903712. Its totient is φ = 22855680.

The previous prime is 86648147. The next prime is 86648161. The reversal of 86648160 is 6184668.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86648161) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45630 + ... + 47490.

It is an arithmetic number, because the mean of its divisors is an integer number (2873997).

Almost surely, 286648160 is an apocalyptic number.

86648160 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 86648160, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (137951856).

86648160 is an abundant number, since it is smaller than the sum of its proper divisors (189255552).

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

86648160 is a wasteful number, since it uses less digits than its factorization.

86648160 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1976 (or 1968 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 86648160 is about 9308.4993419992. The cubic root of 86648160 is about 442.5066295409.

The spelling of 86648160 in words is "eighty-six million, six hundred forty-eight thousand, one hundred sixty".

Divisors: 1 2 3 4 5 6 8 10 12 15 16 20 24 30 32 40 48 60 80 96 97 120 160 194 240 291 388 480 485 582 776 970 1164 1455 1552 1861 1940 2328 2910 3104 3722 3880 4656 5583 5820 7444 7760 9305 9312 11166 11640 14888 15520 18610 22332 23280 27915 29776 37220 44664 46560 55830 59552 74440 89328 111660 148880 178656 180517 223320 297760 361034 446640 541551 722068 893280 902585 1083102 1444136 1805170 2166204 2707755 2888272 3610340 4332408 5415510 5776544 7220680 8664816 10831020 14441360 17329632 21662040 28882720 43324080 86648160