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86352480 = 253552221
BaseRepresentation
bin1010010010110…
…10001001100000
320000111011100000
411021122021200
5134101234410
612322500000
72065661334
oct511321140
9200434300
1086352480
114481a995
1224b04600
1314b75956
14b67b7c4
1578aadc0
hex525a260

86352480 has 144 divisors (see below), whose sum is σ = 305729424. Its totient is φ = 23016960.

The previous prime is 86352479. The next prime is 86352491. The reversal of 86352480 is 8425368.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 37770 + ... + 39990.

It is an arithmetic number, because the mean of its divisors is an integer number (2123121).

Almost surely, 286352480 is an apocalyptic number.

86352480 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 86352480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (152864712).

86352480 is an abundant number, since it is smaller than the sum of its proper divisors (219376944).

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

86352480 is a wasteful number, since it uses less digits than its factorization.

86352480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2251 (or 2231 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 36.

The square root of 86352480 is about 9292.6035103194. The cubic root of 86352480 is about 442.0027162804.

The spelling of 86352480 in words is "eighty-six million, three hundred fifty-two thousand, four hundred eighty".

Divisors: 1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 72 80 81 90 96 108 120 135 144 160 162 180 216 240 243 270 288 324 360 405 432 480 486 540 648 720 810 864 972 1080 1215 1296 1440 1620 1944 2160 2221 2430 2592 3240 3888 4320 4442 4860 6480 6663 7776 8884 9720 11105 12960 13326 17768 19440 19989 22210 26652 33315 35536 38880 39978 44420 53304 59967 66630 71072 79956 88840 99945 106608 119934 133260 159912 177680 179901 199890 213216 239868 266520 299835 319824 355360 359802 399780 479736 533040 539703 599670 639648 719604 799560 899505 959472 1066080 1079406 1199340 1439208 1599120 1799010 1918944 2158812 2398680 2698515 2878416 3198240 3598020 4317624 4797360 5397030 5756832 7196040 8635248 9594720 10794060 14392080 17270496 21588120 28784160 43176240 86352480