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58125812 = 22731371453
BaseRepresentation
bin1101110110111…
…0110111110100
311001101002121212
43131232313310
5104340011222
65433500552
71304030003
oct335566764
9131332555
1058125812
112a8a0868
1217571758
13c071b94
147a10c3a
1551826e2
hex376edf4

58125812 has 24 divisors (see below), whose sum is σ = 103937736. Its totient is φ = 28435968.

The previous prime is 58125799. The next prime is 58125817. The reversal of 58125812 is 21852185.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 29008996 + 29116816 = 5386^2 + 5396^2 .

It is a super-2 number, since 2×581258122 = 6757220041318688, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (58125817) 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, 39278 + ... + 40730.

It is an arithmetic number, because the mean of its divisors is an integer number (4330739).

Almost surely, 258125812 is an apocalyptic number.

It is an amenable number.

58125812 is a deficient number, since it is larger than the sum of its proper divisors (45811924).

58125812 is a wasteful number, since it uses less digits than its factorization.

58125812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1667 (or 1665 counting only the distinct ones).

The product of its digits is 6400, while the sum is 32.

The square root of 58125812 is about 7624.0285938603. The cubic root of 58125812 is about 387.3673485597.

Adding to 58125812 its reverse (21852185), we get a palindrome (79977997).

The spelling of 58125812 in words is "fifty-eight million, one hundred twenty-five thousand, eight hundred twelve".

Divisors: 1 2 4 73 137 146 274 292 548 1453 2906 5812 10001 20002 40004 106069 199061 212138 398122 424276 796244 14531453 29062906 58125812