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86412719 = 241367977
BaseRepresentation
bin1010010011010…
…00110110101111
320000121012222002
411021220312233
5134110201334
612324042515
72066332061
oct511506657
9200535862
1086412719
1144861178
1224b3343b
1314b971b3
14b695731
1578bdb7e
hex5268daf

86412719 has 8 divisors (see below), whose sum is σ = 87096768. Its totient is φ = 85731840.

The previous prime is 86412691. The next prime is 86412731. The reversal of 86412719 is 91721468.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-86412719 is a prime.

It is a super-2 number, since 2×864127192 = 14934316009945922, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86412769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 87959 + ... + 88935.

It is an arithmetic number, because the mean of its divisors is an integer number (10887096).

Almost surely, 286412719 is an apocalyptic number.

86412719 is a deficient number, since it is larger than the sum of its proper divisors (684049).

86412719 is a wasteful number, since it uses less digits than its factorization.

86412719 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1585.

The product of its digits is 24192, while the sum is 38.

The square root of 86412719 is about 9295.8441789867. The cubic root of 86412719 is about 442.1054719190.

The spelling of 86412719 in words is "eighty-six million, four hundred twelve thousand, seven hundred nineteen".

Divisors: 1 241 367 977 88447 235457 358559 86412719