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51041701 = 173002453
BaseRepresentation
bin1100001010110…
…1010110100101
310120001012001101
43002231112211
5101031313301
65022000101
71156563424
oct302552645
9116035041
1051041701
11268a2427
1215116031
13a7615b9
146ac92bb
154733701
hex30ad5a5

51041701 has 4 divisors (see below), whose sum is σ = 54044172. Its totient is φ = 48039232.

The previous prime is 51041677. The next prime is 51041707. The reversal of 51041701 is 10714015.

51041701 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31248100 + 19793601 = 5590^2 + 4449^2 .

It is a cyclic number.

It is not a de Polignac number, because 51041701 - 213 = 51033509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51041707) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1501210 + ... + 1501243.

It is an arithmetic number, because the mean of its divisors is an integer number (13511043).

Almost surely, 251041701 is an apocalyptic number.

It is an amenable number.

51041701 is a deficient number, since it is larger than the sum of its proper divisors (3002471).

51041701 is a wasteful number, since it uses less digits than its factorization.

51041701 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3002470.

The product of its (nonzero) digits is 140, while the sum is 19.

The square root of 51041701 is about 7144.3474859500. The cubic root of 51041701 is about 370.9440247041.

Adding to 51041701 its reverse (10714015), we get a palindrome (61755716).

The spelling of 51041701 in words is "fifty-one million, forty-one thousand, seven hundred one".

Divisors: 1 17 3002453 51041701