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82386235 = 5372231997
BaseRepresentation
bin1001110100100…
…01110100111011
312202000122200001
410322101310323
5132042324420
612101453431
72020162051
oct472216473
9182018601
1082386235
1142560aa8
1223711277
13140b7569
14ad281d1
157375b0a
hex4e91d3b

82386235 has 16 divisors (see below), whose sum is σ = 102041856. Its totient is φ = 63808128.

The previous prime is 82386217. The next prime is 82386247. The reversal of 82386235 is 53268328.

It is not a de Polignac number, because 82386235 - 211 = 82384187 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is a junction number, because it is equal to n+sod(n) for n = 82386194 and 82386203.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40257 + ... + 42253.

It is an arithmetic number, because the mean of its divisors is an integer number (6377616).

Almost surely, 282386235 is an apocalyptic number.

82386235 is a deficient number, since it is larger than the sum of its proper divisors (19655621).

82386235 is a wasteful number, since it uses less digits than its factorization.

82386235 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2262.

The product of its digits is 69120, while the sum is 37.

The square root of 82386235 is about 9076.6863446965. The cubic root of 82386235 is about 435.1291905001.

It can be divided in two parts, 82386 and 235, that added together give a triangular number (82621 = T406).

The spelling of 82386235 in words is "eighty-two million, three hundred eighty-six thousand, two hundred thirty-five".

Divisors: 1 5 37 185 223 1115 1997 8251 9985 41255 73889 369445 445331 2226655 16477247 82386235