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86419739 = 729425713
BaseRepresentation
bin1010010011010…
…10100100011011
320000121120121002
411021222210123
5134110412424
612324135215
72066361410
oct511524433
9200546532
1086419739
114486647a
1224b3750b
1314b9a453
14b698107
1578c0cae
hex526a91b

86419739 has 8 divisors (see below), whose sum is σ = 102171360. Its totient is φ = 71519616.

The previous prime is 86419703. The next prime is 86419757. The reversal of 86419739 is 93791468.

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

It is a de Polignac number, because none of the positive numbers 2k-86419739 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 86419693 and 86419702.

It is not an unprimeable number, because it can be changed into a prime (86419799) 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 7 ways as a sum of consecutive naturals, for example, 212654 + ... + 213059.

It is an arithmetic number, because the mean of its divisors is an integer number (12771420).

Almost surely, 286419739 is an apocalyptic number.

86419739 is a deficient number, since it is larger than the sum of its proper divisors (15751621).

86419739 is a wasteful number, since it uses less digits than its factorization.

86419739 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 425749.

The product of its digits is 326592, while the sum is 47.

The square root of 86419739 is about 9296.2217594031. The cubic root of 86419739 is about 442.1174435223.

The spelling of 86419739 in words is "eighty-six million, four hundred nineteen thousand, seven hundred thirty-nine".

Divisors: 1 7 29 203 425713 2979991 12345677 86419739