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82555396 = 2272112592
BaseRepresentation
bin1001110101110…
…11001000000100
312202100020201021
410322323020010
5132113233041
612105240524
72021465200
oct472731004
9182306637
1082555396
1142667100
1223793144
1314146561
14ad6db00
1573aacd1
hex4ebb204

82555396 has 81 divisors (see below), whose sum is σ = 187910247. Its totient is φ = 31619280.

The previous prime is 82555393. The next prime is 82555409. The reversal of 82555396 is 69355528.

The square root of 82555396 is 9086.

It is a perfect power (a square), and thus also a powerful number.

It is not an unprimeable number, because it can be changed into a prime (82555393) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1399215 + ... + 1399273.

Almost surely, 282555396 is an apocalyptic number.

82555396 is the 9086-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 82555396

82555396 is an abundant number, since it is smaller than the sum of its proper divisors (105354851).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

82555396 is a wasteful number, since it uses less digits than its factorization.

82555396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 158 (or 79 counting only the distinct ones).

The product of its digits is 324000, while the sum is 43.

The cubic root of 82555396 is about 435.4267991486.

The spelling of 82555396 in words is "eighty-two million, five hundred fifty-five thousand, three hundred ninety-six".

Divisors: 1 2 4 7 11 14 22 28 44 49 59 77 98 118 121 154 196 236 242 308 413 484 539 649 826 847 1078 1298 1652 1694 2156 2596 2891 3388 3481 4543 5782 5929 6962 7139 9086 11564 11858 13924 14278 18172 23716 24367 28556 31801 38291 48734 49973 63602 76582 97468 99946 127204 153164 170569 199892 268037 341138 349811 421201 536074 682276 699622 842402 1072148 1399244 1684804 1876259 2948407 3752518 5896814 7505036 11793628 20638849 41277698 82555396