Search a number
-
+
51887672 = 2317381527
BaseRepresentation
bin1100010111101…
…1111000111000
310121122011111122
43011323320320
5101240401142
65052044412
71200016004
oct305737070
9117564448
1051887672
112731aa81
1215463708
13a999685
146c69704
15484e1d2
hex317be38

51887672 has 16 divisors (see below), whose sum is σ = 103012560. Its totient is φ = 24417664.

The previous prime is 51887669. The next prime is 51887687. The reversal of 51887672 is 27678815.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 190628 + ... + 190899.

It is an arithmetic number, because the mean of its divisors is an integer number (6438285).

Almost surely, 251887672 is an apocalyptic number.

It is an amenable number.

51887672 is a deficient number, since it is larger than the sum of its proper divisors (51124888).

51887672 is a wasteful number, since it uses less digits than its factorization.

51887672 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381550 (or 381546 counting only the distinct ones).

The product of its digits is 188160, while the sum is 44.

The square root of 51887672 is about 7203.3097948096. The cubic root of 51887672 is about 372.9821619838.

The spelling of 51887672 in words is "fifty-one million, eight hundred eighty-seven thousand, six hundred seventy-two".

Divisors: 1 2 4 8 17 34 68 136 381527 763054 1526108 3052216 6485959 12971918 25943836 51887672