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71200468 = 2217800117
BaseRepresentation
bin1000011111001…
…10111011010100
311221222100200101
410033212323110
5121211403333
611022023444
71523123353
oct417467324
9157870611
1071200468
1137210a69
121ba17b84
131199c071
14965599a
1563b667d
hex43e6ed4

71200468 has 6 divisors (see below), whose sum is σ = 124600826. Its totient is φ = 35600232.

The previous prime is 71200463. The next prime is 71200487. The reversal of 71200468 is 86400217.

It can be written as a sum of positive squares in only one way, i.e., 60031504 + 11168964 = 7748^2 + 3342^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71200463) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 8900055 + ... + 8900062.

Almost surely, 271200468 is an apocalyptic number.

It is an amenable number.

71200468 is a deficient number, since it is larger than the sum of its proper divisors (53400358).

71200468 is a wasteful number, since it uses less digits than its factorization.

71200468 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17800121 (or 17800119 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 28.

The square root of 71200468 is about 8438.0369755056. The cubic root of 71200468 is about 414.4711277188.

It can be divided in two parts, 7 and 1200468, that added together give a triangular number (1200475 = T1549).

The spelling of 71200468 in words is "seventy-one million, two hundred thousand, four hundred sixty-eight".

Divisors: 1 2 4 17800117 35600234 71200468