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51414187 = 1129533041
BaseRepresentation
bin1100010000100…
…0010010101011
310120202010000011
43010020102223
5101130223222
65033552351
71163004406
oct304102253
9116663004
1051414187
1127027270
12152756b7
13a861cc6
146b84d3d
1547a8c77
hex31084ab

51414187 has 16 divisors (see below), whose sum is σ = 59136480. Its totient is φ = 44262400.

The previous prime is 51414169. The next prime is 51414199. The reversal of 51414187 is 78141415.

It is a cyclic number.

It is not a de Polignac number, because 51414187 - 27 = 51414059 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (51414787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15387 + ... + 18427.

It is an arithmetic number, because the mean of its divisors is an integer number (3696030).

Almost surely, 251414187 is an apocalyptic number.

51414187 is a deficient number, since it is larger than the sum of its proper divisors (7722293).

51414187 is a wasteful number, since it uses less digits than its factorization.

51414187 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3134.

The product of its digits is 4480, while the sum is 31.

The square root of 51414187 is about 7170.3686795032. The cubic root of 51414187 is about 371.8441821506.

The spelling of 51414187 in words is "fifty-one million, four hundred fourteen thousand, one hundred eighty-seven".

Divisors: 1 11 29 53 319 583 1537 3041 16907 33451 88189 161173 970079 1772903 4674017 51414187