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51250060 = 2252562503
BaseRepresentation
bin1100001110000…
…0001110001100
310120102202212101
43003200032030
5101110000220
65030244444
71161422041
oct303401614
9116382771
1051250060
1126a24a24
12151b6724
13a8053a4
146b411c8
15477530a
hex30e038c

51250060 has 12 divisors (see below), whose sum is σ = 107625168. Its totient is φ = 20500016.

The previous prime is 51250057. The next prime is 51250061. The reversal of 51250060 is 6005215.

It is a happy number.

It is a zygodrome in base 2.

It is not an unprimeable number, because it can be changed into a prime (51250061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1281232 + ... + 1281271.

It is an arithmetic number, because the mean of its divisors is an integer number (8968764).

Almost surely, 251250060 is an apocalyptic number.

It is an amenable number.

51250060 is an abundant number, since it is smaller than the sum of its proper divisors (56375108).

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

51250060 is a wasteful number, since it uses less digits than its factorization.

51250060 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2562512 (or 2562510 counting only the distinct ones).

The product of its (nonzero) digits is 300, while the sum is 19.

The square root of 51250060 is about 7158.9147222187. The cubic root of 51250060 is about 371.4480870276.

Adding to 51250060 its reverse (6005215), we get a palindrome (57255275).

The spelling of 51250060 in words is "fifty-one million, two hundred fifty thousand, sixty".

Divisors: 1 2 4 5 10 20 2562503 5125006 10250012 12812515 25625030 51250060