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82630169 is a prime number
BaseRepresentation
bin1001110110011…
…01011000011001
312202111001021122
410323031120121
5132123131134
612111015025
72022226166
oct473153031
9182431248
1082630169
11427082a6
122380a475
13141715bb
14ad8d06d
1573c302e
hex4ecd619

82630169 has 2 divisors, whose sum is σ = 82630170. Its totient is φ = 82630168.

The previous prime is 82630153. The next prime is 82630189. The reversal of 82630169 is 96103628.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 57760000 + 24870169 = 7600^2 + 4987^2 .

It is a cyclic number.

It is not a de Polignac number, because 82630169 - 24 = 82630153 is a prime.

It is a super-2 number, since 2×826301692 = 13655489657937122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (82630109) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41315084 + 41315085.

It is an arithmetic number, because the mean of its divisors is an integer number (41315085).

Almost surely, 282630169 is an apocalyptic number.

It is an amenable number.

82630169 is a deficient number, since it is larger than the sum of its proper divisors (1).

82630169 is an equidigital number, since it uses as much as digits as its factorization.

82630169 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 35.

The square root of 82630169 is about 9090.1138056682. The cubic root of 82630169 is about 435.5582193623.

The spelling of 82630169 in words is "eighty-two million, six hundred thirty thousand, one hundred sixty-nine".