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82764684 = 223219121001
BaseRepresentation
bin1001110111011…
…10001110001100
312202201212210200
410323232032030
5132141432214
612113533500
72023326312
oct473561614
9182655720
1082764684
114279a372
1223874290
13141ba8b2
14adc60b2
1573ecd09
hex4eee38c

82764684 has 36 divisors (see below), whose sum is σ = 220223640. Its totient is φ = 26136000.

The previous prime is 82764683. The next prime is 82764701. The reversal of 82764684 is 48646728.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82764683) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 59817 + ... + 61184.

Almost surely, 282764684 is an apocalyptic number.

It is an amenable number.

82764684 is an abundant number, since it is smaller than the sum of its proper divisors (137458956).

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

82764684 is a wasteful number, since it uses less digits than its factorization.

82764684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121030 (or 121025 counting only the distinct ones).

The product of its digits is 516096, while the sum is 45.

The square root of 82764684 is about 9097.5097691621. The cubic root of 82764684 is about 435.7944420018.

It can be divided in two parts, 82764 and 684, that multiplied together give a square (56610576 = 75242).

The spelling of 82764684 in words is "eighty-two million, seven hundred sixty-four thousand, six hundred eighty-four".

Divisors: 1 2 3 4 6 9 12 18 19 36 38 57 76 114 171 228 342 684 121001 242002 363003 484004 726006 1089009 1452012 2178018 2299019 4356036 4598038 6897057 9196076 13794114 20691171 27588228 41382342 82764684