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86089520 = 2451197829
BaseRepresentation
bin1010010000110…
…01111100110000
312222222210121202
411020121330300
5134014331040
612313110332
72063514566
oct510317460
9188883552
1086089520
1144660370
12249b83a8
1314ab305a
14b60da36
157858015
hex5219f30

86089520 has 40 divisors (see below), whose sum is σ = 218356560. Its totient is φ = 31304960.

The previous prime is 86089499. The next prime is 86089579. The reversal of 86089520 is 2598068.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×860895202 = 14822810907660800, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48035 + ... + 49794.

It is an arithmetic number, because the mean of its divisors is an integer number (5458914).

Almost surely, 286089520 is an apocalyptic number.

86089520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

86089520 is an abundant number, since it is smaller than the sum of its proper divisors (132267040).

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

86089520 is a wasteful number, since it uses less digits than its factorization.

86089520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 97853 (or 97847 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 38.

The square root of 86089520 is about 9278.4438350404. The cubic root of 86089520 is about 441.5535988405.

The spelling of 86089520 in words is "eighty-six million, eighty-nine thousand, five hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 40 44 55 80 88 110 176 220 440 880 97829 195658 391316 489145 782632 978290 1076119 1565264 1956580 2152238 3913160 4304476 5380595 7826320 8608952 10761190 17217904 21522380 43044760 86089520