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86146000 = 2453192267
BaseRepresentation
bin1010010001001…
…11101111010000
320000002200002121
411020213233100
5134023133000
612314224024
72064141343
oct510475720
9200080077
1086146000
1144699846
1224a25014
1314b02985
14b62645a
157869b1a
hex5227bd0

86146000 has 80 divisors (see below), whose sum is σ = 219360960. Its totient is φ = 32630400.

The previous prime is 86145977. The next prime is 86146009. The reversal of 86146000 is 64168.

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

It is a super-2 number, since 2×861460002 = 14842266632000000, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86146009) 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 15 ways as a sum of consecutive naturals, for example, 36867 + ... + 39133.

It is an arithmetic number, because the mean of its divisors is an integer number (2742012).

Almost surely, 286146000 is an apocalyptic number.

86146000 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 86146000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109680480).

86146000 is an abundant number, since it is smaller than the sum of its proper divisors (133214960).

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

86146000 is a wasteful number, since it uses less digits than its factorization.

86146000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2309 (or 2293 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 86146000 is about 9281.4869498373. The cubic root of 86146000 is about 441.6501398032.

The spelling of 86146000 in words is "eighty-six million, one hundred forty-six thousand".

Divisors: 1 2 4 5 8 10 16 19 20 25 38 40 50 76 80 95 100 125 152 190 200 250 304 380 400 475 500 760 950 1000 1520 1900 2000 2267 2375 3800 4534 4750 7600 9068 9500 11335 18136 19000 22670 36272 38000 43073 45340 56675 86146 90680 113350 172292 181360 215365 226700 283375 344584 430730 453400 566750 689168 861460 906800 1076825 1133500 1722920 2153650 2267000 3445840 4307300 4534000 5384125 8614600 10768250 17229200 21536500 43073000 86146000