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52122050 = 25210212
BaseRepresentation
bin1100011011010…
…1000111000010
310122002002000022
43012311013002
5101320401200
65101053442
71202013221
oct306650702
9118062008
1052122050
1127470082
1215557282
13aa4c266
146ccacb8
154898885
hex31b51c2

52122050 has 18 divisors (see below), whose sum is σ = 97042059. Its totient is φ = 20828400.

The previous prime is 52122001. The next prime is 52122053. The reversal of 52122050 is 5022125.

It can be written as a sum of positive squares in 5 ways, for example, as 22972849 + 29149201 = 4793^2 + 5399^2 .

It is an ABA number since it can be written as A⋅BA, here for A=2, B=5105.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52122053) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 50540 + ... + 51560.

Almost surely, 252122050 is an apocalyptic number.

52122050 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

52122050 is a deficient number, since it is larger than the sum of its proper divisors (44920009).

52122050 is an equidigital number, since it uses as much as digits as its factorization.

52122050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2054 (or 1028 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 17.

The square root of 52122050 is about 7219.5602359147. The cubic root of 52122050 is about 373.5429086554.

Multiplying 52122050 by its product of nonzero digits (200), we get a square (10424410000 = 1021002).

Adding to 52122050 its reverse (5022125), we get a palindrome (57144175).

The spelling of 52122050 in words is "fifty-two million, one hundred twenty-two thousand, fifty".

Divisors: 1 2 5 10 25 50 1021 2042 5105 10210 25525 51050 1042441 2084882 5212205 10424410 26061025 52122050