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82826997 = 3117931771
BaseRepresentation
bin1001110111111…
…01011011110101
312202212001021120
410323331123311
5132200430442
612115134153
72024006061
oct473753365
9182761246
1082826997
1142832170
12238a4359
1314210076
14b000aa1
1574114ec
hex4efd6f5

82826997 has 16 divisors (see below), whose sum is σ = 122004480. Its totient is φ = 49561200.

The previous prime is 82826981. The next prime is 82827001. The reversal of 82826997 is 79962828.

It is a happy number.

It is not a de Polignac number, because 82826997 - 24 = 82826981 is a prime.

It is a super-2 number, since 2×828269972 = 13720622864076018, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82826927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13279 + ... + 18492.

It is an arithmetic number, because the mean of its divisors is an integer number (7625280).

Almost surely, 282826997 is an apocalyptic number.

It is an amenable number.

82826997 is a deficient number, since it is larger than the sum of its proper divisors (39177483).

82826997 is a wasteful number, since it uses less digits than its factorization.

82826997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31864.

The product of its digits is 870912, while the sum is 51.

The square root of 82826997 is about 9100.9338531823. The cubic root of 82826997 is about 435.9037835128.

The spelling of 82826997 in words is "eighty-two million, eight hundred twenty-six thousand, nine hundred ninety-seven".

Divisors: 1 3 11 33 79 237 869 2607 31771 95313 349481 1048443 2509909 7529727 27608999 82826997