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51401341 = 65977999
BaseRepresentation
bin1100010000010…
…1001001111101
310120201110101101
43010011021331
5101124320331
65033413101
71162622065
oct304051175
9116643341
1051401341
1127018652
121526a191
13a8591c4
146b803a5
1547a5061
hex310527d

51401341 has 4 divisors (see below), whose sum is σ = 51480000. Its totient is φ = 51322684.

The previous prime is 51401333. The next prime is 51401359. The reversal of 51401341 is 14310415.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 51401341 - 23 = 51401333 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 (51401381) 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, 38341 + ... + 39658.

It is an arithmetic number, because the mean of its divisors is an integer number (12870000).

Almost surely, 251401341 is an apocalyptic number.

It is an amenable number.

51401341 is a deficient number, since it is larger than the sum of its proper divisors (78659).

51401341 is an equidigital number, since it uses as much as digits as its factorization.

51401341 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78658.

The product of its (nonzero) digits is 240, while the sum is 19.

The square root of 51401341 is about 7169.4728537041. The cubic root of 51401341 is about 371.8132107494.

Adding to 51401341 its reverse (14310415), we get a palindrome (65711756).

The spelling of 51401341 in words is "fifty-one million, four hundred one thousand, three hundred forty-one".

Divisors: 1 659 77999 51401341