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71610052 = 22171053089
BaseRepresentation
bin1000100010010…
…10111011000100
311222202011112011
410101022323010
5121313010202
611034504004
71526450443
oct421127304
9158664464
1071610052
1137470768
121bb95004
1311ab3617
149720d5a
156447bd7
hex444aec4

71610052 has 12 divisors (see below), whose sum is σ = 132689340. Its totient is φ = 33698816.

The previous prime is 71609981. The next prime is 71610061. The reversal of 71610052 is 25001617.

It can be written as a sum of positive squares in 2 ways, for example, as 28366276 + 43243776 = 5326^2 + 6576^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 526477 + ... + 526612.

It is an arithmetic number, because the mean of its divisors is an integer number (11057445).

Almost surely, 271610052 is an apocalyptic number.

It is an amenable number.

71610052 is a deficient number, since it is larger than the sum of its proper divisors (61079288).

71610052 is a wasteful number, since it uses less digits than its factorization.

71610052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053110 (or 1053108 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 71610052 is about 8462.2722716774. The cubic root of 71610052 is about 415.2643634218.

Adding to 71610052 its reverse (25001617), we get a palindrome (96611669).

The spelling of 71610052 in words is "seventy-one million, six hundred ten thousand, fifty-two".

Divisors: 1 2 4 17 34 68 1053089 2106178 4212356 17902513 35805026 71610052