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71343504 = 243455049
BaseRepresentation
bin1000100000010…
…01110110010000
311222020121220000
410100021312100
5121230443004
611025050000
71524260361
oct420116620
9158217800
1071343504
11372a9481
121ba86900
1311a1c1bb
149691b68
1563e3c39
hex4409d90

71343504 has 50 divisors (see below), whose sum is σ = 206492550. Its totient is φ = 23780736.

The previous prime is 71343497. The next prime is 71343521. The reversal of 71343504 is 40534317.

It can be written as a sum of positive squares in only one way, i.e., 69755904 + 1587600 = 8352^2 + 1260^2 .

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 26229 + ... + 28820.

It is an arithmetic number, because the mean of its divisors is an integer number (4129851).

Almost surely, 271343504 is an apocalyptic number.

It is an amenable number.

71343504 is an abundant number, since it is smaller than the sum of its proper divisors (135149046).

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

71343504 is a wasteful number, since it uses less digits than its factorization.

71343504 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55069 (or 55054 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 27.

The square root of 71343504 is about 8446.5083910454. The cubic root of 71343504 is about 414.7484884301.

The spelling of 71343504 in words is "seventy-one million, three hundred forty-three thousand, five hundred four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 27 36 48 54 72 81 108 144 162 216 324 432 648 1296 55049 110098 165147 220196 330294 440392 495441 660588 880784 990882 1321176 1486323 1981764 2642352 2972646 3963528 4458969 5945292 7927056 8917938 11890584 17835876 23781168 35671752 71343504