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86450000 = 245571319
BaseRepresentation
bin1010010011100…
…01111101010000
320000200010002212
411021301331100
5134112400000
612324531252
72066545550
oct511617520
9200603085
1086450000
114488718a
1224b50b28
1314bab160
14b6a5160
1578c9c35
hex5271f50

86450000 has 240 divisors, whose sum is σ = 271232640. Its totient is φ = 25920000.

The previous prime is 86449997. The next prime is 86450027. The reversal of 86450000 is 5468.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 4549991 + ... + 4550009.

It is an arithmetic number, because the mean of its divisors is an integer number (1130136).

Almost surely, 286450000 is an apocalyptic number.

86450000 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 86450000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (135616320).

86450000 is an abundant number, since it is smaller than the sum of its proper divisors (184782640).

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

86450000 is a wasteful number, since it uses less digits than its factorization.

86450000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72 (or 46 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 86450000 is about 9297.8492136623. The cubic root of 86450000 is about 442.1690418987.

Adding to 86450000 its reverse (5468), we get a palindrome (86455468).

The spelling of 86450000 in words is "eighty-six million, four hundred fifty thousand".