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82144052 = 2220536013
BaseRepresentation
bin1001110010101…
…10101100110100
312201120100110022
410321112230310
5132012102202
612052344312
72015133014
oct471265464
9181510408
1082144052
1142406051
1223615098
1314031263
14aca3c44
157328ea2
hex4e56b34

82144052 has 6 divisors (see below), whose sum is σ = 143752098. Its totient is φ = 41072024.

The previous prime is 82144039. The next prime is 82144067. The reversal of 82144052 is 25044128.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 45104656 + 37039396 = 6716^2 + 6086^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10268003 + ... + 10268010.

It is an arithmetic number, because the mean of its divisors is an integer number (23958683).

Almost surely, 282144052 is an apocalyptic number.

It is an amenable number.

82144052 is a deficient number, since it is larger than the sum of its proper divisors (61608046).

82144052 is a wasteful number, since it uses less digits than its factorization.

82144052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20536017 (or 20536015 counting only the distinct ones).

The product of its (nonzero) digits is 2560, while the sum is 26.

The square root of 82144052 is about 9063.3355890643. The cubic root of 82144052 is about 434.7024026954.

The spelling of 82144052 in words is "eighty-two million, one hundred forty-four thousand, fifty-two".

Divisors: 1 2 4 20536013 41072026 82144052