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71116700 = 225229137179
BaseRepresentation
bin1000011110100…
…10011110011100
311221211002202212
410033102132130
5121201213300
611020135552
71522324214
oct417223634
9157732685
1071116700
1137164036
121b9975b8
131196cbb5
149633244
15639b935
hex43d279c

71116700 has 72 divisors (see below), whose sum is σ = 161708400. Its totient is φ = 27112960.

The previous prime is 71116699. The next prime is 71116733. The reversal of 71116700 is 761117.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 397211 + ... + 397389.

It is an arithmetic number, because the mean of its divisors is an integer number (2245950).

Almost surely, 271116700 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 71116700, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80854200).

71116700 is an abundant number, since it is smaller than the sum of its proper divisors (90591700).

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

71116700 is a wasteful number, since it uses less digits than its factorization.

71116700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 352 counting only the distinct ones).

The product of its (nonzero) digits is 294, while the sum is 23.

The square root of 71116700 is about 8433.0718009513. The cubic root of 71116700 is about 414.3085209119.

Adding to 71116700 its reverse (761117), we get a palindrome (71877817).

The spelling of 71116700 in words is "seventy-one million, one hundred sixteen thousand, seven hundred".

Divisors: 1 2 4 5 10 20 25 29 50 58 100 116 137 145 179 274 290 358 548 580 685 716 725 895 1370 1450 1790 2740 2900 3425 3580 3973 4475 5191 6850 7946 8950 10382 13700 15892 17900 19865 20764 24523 25955 39730 49046 51910 79460 98092 99325 103820 122615 129775 198650 245230 259550 397300 490460 519100 613075 711167 1226150 1422334 2452300 2844668 3555835 7111670 14223340 17779175 35558350 71116700