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71152060 = 2257508229
BaseRepresentation
bin1000011110110…
…11000110111100
311221212220021111
410033123012330
5121203331220
611021011404
71522532260
oct417330674
9157786244
1071152060
1137188661
121b9b3b64
1311983015
1496420a0
1563a715a
hex43db1bc

71152060 has 24 divisors (see below), whose sum is σ = 170765280. Its totient is φ = 24394944.

The previous prime is 71152043. The next prime is 71152063. The reversal of 71152060 is 6025117.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71152063) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 253975 + ... + 254254.

It is an arithmetic number, because the mean of its divisors is an integer number (7115220).

Almost surely, 271152060 is an apocalyptic number.

71152060 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

71152060 is an abundant number, since it is smaller than the sum of its proper divisors (99613220).

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

71152060 is a wasteful number, since it uses less digits than its factorization.

71152060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 508245 (or 508243 counting only the distinct ones).

The product of its (nonzero) digits is 420, while the sum is 22.

The square root of 71152060 is about 8435.1680481185. The cubic root of 71152060 is about 414.3771757752.

Adding to 71152060 its reverse (6025117), we get a palindrome (77177177).

The spelling of 71152060 in words is "seventy-one million, one hundred fifty-two thousand, sixty".

Divisors: 1 2 4 5 7 10 14 20 28 35 70 140 508229 1016458 2032916 2541145 3557603 5082290 7115206 10164580 14230412 17788015 35576030 71152060