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86213255 = 567257353
BaseRepresentation
bin1010010001110…
…00001010000111
320000020002100112
411020320022013
5134032311010
612315503235
72064541412
oct510701207
9200202315
1086213255
1144735327
1224a57b1b
1314b2747b
14b642b79
15787ea05
hex5238287

86213255 has 8 divisors (see below), whose sum is σ = 105000432. Its totient is φ = 67940928.

The previous prime is 86213227. The next prime is 86213291. The reversal of 86213255 is 55231268.

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 86213255 - 214 = 86196871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 128342 + ... + 129011.

It is an arithmetic number, because the mean of its divisors is an integer number (13125054).

Almost surely, 286213255 is an apocalyptic number.

86213255 is a deficient number, since it is larger than the sum of its proper divisors (18787177).

86213255 is a wasteful number, since it uses less digits than its factorization.

86213255 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257425.

The product of its digits is 14400, while the sum is 32.

The square root of 86213255 is about 9285.1093154577. The cubic root of 86213255 is about 441.7650433919.

It can be divided in two parts, 86213 and 255, that added together give a palindrome (86468).

The spelling of 86213255 in words is "eighty-six million, two hundred thirteen thousand, two hundred fifty-five".

Divisors: 1 5 67 335 257353 1286765 17242651 86213255