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86084880 = 2435751241
BaseRepresentation
bin1010010000110…
…00110100010000
312222222120020220
411020120310100
5134014204010
612313033040
72063465220
oct510306420
9188876226
1086084880
1144657932
12249b5780
1314ab0bcb
14b60c080
157856970
hex5218d10

86084880 has 80 divisors (see below), whose sum is σ = 304992384. Its totient is φ = 19676160.

The previous prime is 86084857. The next prime is 86084893. The reversal of 86084880 is 8848068.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×860848802 = 14821213129228800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23941 + ... + 27300.

Almost surely, 286084880 is an apocalyptic number.

86084880 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86084880 is an abundant number, since it is smaller than the sum of its proper divisors (218907504).

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

86084880 is a wasteful number, since it uses less digits than its factorization.

86084880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51264 (or 51258 counting only the distinct ones).

The product of its (nonzero) digits is 98304, while the sum is 42.

The square root of 86084880 is about 9278.1937897416. The cubic root of 86084880 is about 441.5456658366.

The spelling of 86084880 in words is "eighty-six million, eighty-four thousand, eight hundred eighty".

Divisors: 1 2 3 4 5 6 7 8 10 12 14 15 16 20 21 24 28 30 35 40 42 48 56 60 70 80 84 105 112 120 140 168 210 240 280 336 420 560 840 1680 51241 102482 153723 204964 256205 307446 358687 409928 512410 614892 717374 768615 819856 1024820 1076061 1229784 1434748 1537230 1793435 2049640 2152122 2459568 2869496 3074460 3586870 4099280 4304244 5380305 5738992 6148920 7173740 8608488 10760610 12297840 14347480 17216976 21521220 28694960 43042440 86084880