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82381827 = 3116533823
BaseRepresentation
bin1001110100100…
…00110000000011
312202000102121210
410322100300003
5132042204302
612101421203
72020143153
oct472206003
9182012553
1082381827
1142558760
122370a803
13140b5558
14ad26763
15737466c
hex4e90c03

82381827 has 16 divisors (see below), whose sum is σ = 120043008. Its totient is φ = 49838880.

The previous prime is 82381811. The next prime is 82381861. The reversal of 82381827 is 72818328.

It is not a de Polignac number, because 82381827 - 24 = 82381811 is a prime.

It is not an unprimeable number, because it can be changed into a prime (82381807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19638 + ... + 23460.

It is an arithmetic number, because the mean of its divisors is an integer number (7502688).

Almost surely, 282381827 is an apocalyptic number.

82381827 is a deficient number, since it is larger than the sum of its proper divisors (37661181).

82381827 is a wasteful number, since it uses less digits than its factorization.

82381827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4490.

The product of its digits is 43008, while the sum is 39.

The square root of 82381827 is about 9076.4435215562. The cubic root of 82381827 is about 435.1214299655.

The spelling of 82381827 in words is "eighty-two million, three hundred eighty-one thousand, eight hundred twenty-seven".

Divisors: 1 3 11 33 653 1959 3823 7183 11469 21549 42053 126159 2496419 7489257 27460609 82381827