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86213317 = 1929156467
BaseRepresentation
bin1010010001110…
…00001011000101
320000020002102211
411020320023011
5134032311232
612315503421
72064541531
oct510701305
9200202384
1086213317
1144735383
1224a57b71
1314b274c8
14b642bc1
15787ea47
hex52382c5

86213317 has 8 divisors (see below), whose sum is σ = 93880800. Its totient is φ = 78858864.

The previous prime is 86213311. The next prime is 86213333. The reversal of 86213317 is 71331268.

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

It is a cyclic number.

It is not a de Polignac number, because 86213317 - 211 = 86211269 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (86213311) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77683 + ... + 78784.

It is an arithmetic number, because the mean of its divisors is an integer number (11735100).

Almost surely, 286213317 is an apocalyptic number.

It is an amenable number.

86213317 is a deficient number, since it is larger than the sum of its proper divisors (7667483).

86213317 is a wasteful number, since it uses less digits than its factorization.

86213317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156515.

The product of its digits is 6048, while the sum is 31.

The square root of 86213317 is about 9285.1126541362. The cubic root of 86213317 is about 441.7651492899.

The spelling of 86213317 in words is "eighty-six million, two hundred thirteen thousand, three hundred seventeen".

Divisors: 1 19 29 551 156467 2972873 4537543 86213317