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71113100 = 2252711131
BaseRepresentation
bin1000011110100…
…01100110001100
311221210220211112
410033101212030
5121201104400
611020111152
71522310552
oct417214614
9157726745
1071113100
1137161363
121b9954b8
131196b376
149631bd2
15639a835
hex43d198c

71113100 has 18 divisors (see below), whose sum is σ = 154315644. Its totient is φ = 28445200.

The previous prime is 71113073. The next prime is 71113111. The reversal of 71113100 is 131117.

It is a super-2 number, since 2×711131002 = 10114145983220000, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 355466 + ... + 355665.

Almost surely, 271113100 is an apocalyptic number.

It is an amenable number.

71113100 is an abundant number, since it is smaller than the sum of its proper divisors (83202544).

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

71113100 is a wasteful number, since it uses less digits than its factorization.

71113100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711145 (or 711138 counting only the distinct ones).

The product of its (nonzero) digits is 21, while the sum is 14.

The square root of 71113100 is about 8432.8583528955. The cubic root of 71113100 is about 414.3015298871.

Adding to 71113100 its reverse (131117), we get a palindrome (71244217).

The spelling of 71113100 in words is "seventy-one million, one hundred thirteen thousand, one hundred".

Divisors: 1 2 4 5 10 20 25 50 100 711131 1422262 2844524 3555655 7111310 14222620 17778275 35556550 71113100