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51116883 = 389191449
BaseRepresentation
bin1100001011111…
…1101101010011
310120012000011220
43002333231103
5101041220013
65023340123
71160325546
oct302775523
9116160156
1051116883
1126943964
1215151643
13a78989c
146b0885d
15474ab23
hex30bfb53

51116883 has 8 divisors (see below), whose sum is σ = 68922000. Its totient is φ = 33694848.

The previous prime is 51116881. The next prime is 51116887. The reversal of 51116883 is 38861115.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 51116883 - 21 = 51116881 is a prime.

It is a super-2 number, since 2×511168832 = 5225871455271378, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (51116881) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95458 + ... + 95991.

It is an arithmetic number, because the mean of its divisors is an integer number (8615250).

Almost surely, 251116883 is an apocalyptic number.

51116883 is a deficient number, since it is larger than the sum of its proper divisors (17805117).

51116883 is a wasteful number, since it uses less digits than its factorization.

51116883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 191541.

The product of its digits is 5760, while the sum is 33.

The square root of 51116883 is about 7149.6071920071. The cubic root of 51116883 is about 371.1260629956.

Adding to 51116883 its reverse (38861115), we get a palindrome (89977998).

The spelling of 51116883 in words is "fifty-one million, one hundred sixteen thousand, eight hundred eighty-three".

Divisors: 1 3 89 267 191449 574347 17038961 51116883