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51968701 is a prime number
BaseRepresentation
bin1100011000111…
…1101010111101
310121210021122201
43012033222331
5101300444301
65053511501
71200504151
oct306175275
9117707581
1051968701
1127375944
12154a2591
13a9c7515
146c8b061
154868201
hex318fabd

51968701 has 2 divisors, whose sum is σ = 51968702. Its totient is φ = 51968700.

The previous prime is 51968647. The next prime is 51968713. The reversal of 51968701 is 10786915.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49491225 + 2477476 = 7035^2 + 1574^2 .

It is a cyclic number.

It is not a de Polignac number, because 51968701 - 213 = 51960509 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (51968731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25984350 + 25984351.

It is an arithmetic number, because the mean of its divisors is an integer number (25984351).

Almost surely, 251968701 is an apocalyptic number.

It is an amenable number.

51968701 is a deficient number, since it is larger than the sum of its proper divisors (1).

51968701 is an equidigital number, since it uses as much as digits as its factorization.

51968701 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15120, while the sum is 37.

The square root of 51968701 is about 7208.9320290872. The cubic root of 51968701 is about 373.1762135577.

The spelling of 51968701 in words is "fifty-one million, nine hundred sixty-eight thousand, seven hundred one".