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82513852 = 22171213439
BaseRepresentation
bin1001110101100…
…00111110111100
312202021010201121
410322300332330
5132110420402
612104320324
72021233111
oct472607674
9182233647
1082513852
1142638973
12237730a4
1314130685
14ad5c908
15739d837
hex4eb0fbc

82513852 has 12 divisors (see below), whose sum is σ = 152893440. Its totient is φ = 38830016.

The previous prime is 82513829. The next prime is 82513859. The reversal of 82513852 is 25831528.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (82513859) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 606652 + ... + 606787.

It is an arithmetic number, because the mean of its divisors is an integer number (12741120).

Almost surely, 282513852 is an apocalyptic number.

It is an amenable number.

82513852 is a deficient number, since it is larger than the sum of its proper divisors (70379588).

82513852 is a wasteful number, since it uses less digits than its factorization.

82513852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213460 (or 1213458 counting only the distinct ones).

The product of its digits is 19200, while the sum is 34.

The square root of 82513852 is about 9083.7135577912. The cubic root of 82513852 is about 435.3537475695.

The spelling of 82513852 in words is "eighty-two million, five hundred thirteen thousand, eight hundred fifty-two".

Divisors: 1 2 4 17 34 68 1213439 2426878 4853756 20628463 41256926 82513852