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82604925 = 32521331911
BaseRepresentation
bin1001110110001…
…11001101111101
312202102202122200
410323013031331
5132121324200
612110302113
72022062454
oct473071575
9182382580
1082604925
11426a0337
12237b7939
1314162c70
14ad83b9b
1573ba800
hex4ec737d

82604925 has 72 divisors (see below), whose sum is σ = 164656128. Its totient is φ = 39312000.

The previous prime is 82604923. The next prime is 82604927. The reversal of 82604925 is 52940628.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (82604923) and next prime (82604927).

It is not a de Polignac number, because 82604925 - 21 = 82604923 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 82604925.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82604923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 90220 + ... + 91130.

Almost surely, 282604925 is an apocalyptic number.

It is an amenable number.

82604925 is a deficient number, since it is larger than the sum of its proper divisors (82051203).

82604925 is a wasteful number, since it uses less digits than its factorization.

82604925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971 (or 963 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 82604925 is about 9088.7251581286. The cubic root of 82604925 is about 435.5138596500.

The spelling of 82604925 in words is "eighty-two million, six hundred four thousand, nine hundred twenty-five".

Divisors: 1 3 5 9 13 15 25 31 39 45 65 75 93 117 155 195 225 279 325 403 465 585 775 911 975 1209 1395 2015 2325 2733 2925 3627 4555 6045 6975 8199 10075 11843 13665 18135 22775 28241 30225 35529 40995 59215 68325 84723 90675 106587 141205 177645 204975 254169 296075 367133 423615 532935 706025 888225 1101399 1270845 1835665 2118075 2664675 3304197 5506995 6354225 9178325 16520985 27534975 82604925