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71450572 = 2253337031
BaseRepresentation
bin1000100001000…
…11111111001100
311222110001202111
410100203333030
5121242404242
611031233404
71525214464
oct420437714
9158401674
1071450572
1137371966
121bb18864
1311a58b5b
1496bcba4
156415817
hex4423fcc

71450572 has 12 divisors (see below), whose sum is σ = 127398096. Its totient is φ = 35051120.

The previous prime is 71450549. The next prime is 71450573. The reversal of 71450572 is 27505417.

It is not an unprimeable number, because it can be changed into a prime (71450573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 168304 + ... + 168727.

It is an arithmetic number, because the mean of its divisors is an integer number (10616508).

Almost surely, 271450572 is an apocalyptic number.

It is an amenable number.

71450572 is a deficient number, since it is larger than the sum of its proper divisors (55947524).

71450572 is a wasteful number, since it uses less digits than its factorization.

71450572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 337088 (or 337086 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 31.

The square root of 71450572 is about 8452.8440184355. The cubic root of 71450572 is about 414.9558611788.

Adding to 71450572 its reverse (27505417), we get a palindrome (98955989).

The spelling of 71450572 in words is "seventy-one million, four hundred fifty thousand, five hundred seventy-two".

Divisors: 1 2 4 53 106 212 337031 674062 1348124 17862643 35725286 71450572