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71608052 = 2246138833
BaseRepresentation
bin1000100010010…
…10011011110100
311222202001210002
410101022123310
5121312424202
611034450432
71526441555
oct421123364
9158661702
1071608052
113746a20a
121bb93a18
1311ab2739
14972032c
156447302
hex444a6f4

71608052 has 12 divisors (see below), whose sum is σ = 125589156. Its totient is φ = 35725440.

The previous prime is 71608051. The next prime is 71608067. The reversal of 71608052 is 25080617.

It can be written as a sum of positive squares in 2 ways, for example, as 18696976 + 52911076 = 4324^2 + 7274^2 .

It is a super-2 number, since 2×716080522 = 10255426222469408, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71608051) 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, 17573 + ... + 21260.

It is an arithmetic number, because the mean of its divisors is an integer number (10465763).

Almost surely, 271608052 is an apocalyptic number.

It is an amenable number.

71608052 is a deficient number, since it is larger than the sum of its proper divisors (53981104).

71608052 is a wasteful number, since it uses less digits than its factorization.

71608052 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39298 (or 39296 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 29.

The square root of 71608052 is about 8462.1540992823. The cubic root of 71608052 is about 415.2604974074.

Adding to 71608052 its reverse (25080617), we get a palindrome (96688669).

The spelling of 71608052 in words is "seventy-one million, six hundred eight thousand, fifty-two".

Divisors: 1 2 4 461 922 1844 38833 77666 155332 17902013 35804026 71608052