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50512072 = 2313237361
BaseRepresentation
bin1100000010110…
…0000011001000
310112001021112111
43000230003020
5100412341242
65002352104
71152226342
oct300540310
9115037474
1050512072
1126570516
1214abb634
13a607500
1469cc292
15467b817
hex302c0c8

50512072 has 24 divisors (see below), whose sum is σ = 102558690. Its totient is φ = 23312640.

The previous prime is 50512069. The next prime is 50512073. The reversal of 50512072 is 27021505.

It can be written as a sum of positive squares in 3 ways, for example, as 30316036 + 20196036 = 5506^2 + 4494^2 .

It is not an unprimeable number, because it can be changed into a prime (50512073) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 17329 + ... + 20032.

Almost surely, 250512072 is an apocalyptic number.

50512072 is a gapful number since it is divisible by the number (52) formed by its first and last digit.

It is an amenable number.

50512072 is an abundant number, since it is smaller than the sum of its proper divisors (52046618).

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

50512072 is a wasteful number, since it uses less digits than its factorization.

50512072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37393 (or 37376 counting only the distinct ones).

The product of its (nonzero) digits is 700, while the sum is 22.

The square root of 50512072 is about 7107.1845339769. The cubic root of 50512072 is about 369.6565402967.

Adding to 50512072 its reverse (27021505), we get a palindrome (77533577).

It can be divided in two parts, 50 and 512072, that multiplied together give a square (25603600 = 50602).

The spelling of 50512072 in words is "fifty million, five hundred twelve thousand, seventy-two".

Divisors: 1 2 4 8 13 26 52 104 169 338 676 1352 37361 74722 149444 298888 485693 971386 1942772 3885544 6314009 12628018 25256036 50512072