Search a number
-
+
51341616 = 24321093271
BaseRepresentation
bin1100001111011…
…0100100110000
310120121102110100
43003312210300
5101120412431
65032232400
71162253004
oct303664460
9116542410
1051341616
1126a87797
121523b700
13a837c71
146b66704
1547924e6
hex30f6930

51341616 has 60 divisors (see below), whose sum is σ = 145047760. Its totient is φ = 16951680.

The previous prime is 51341603. The next prime is 51341617. The reversal of 51341616 is 61614315.

51341616 is a `hidden beast` number, since 5 + 1 + 3 + 41 + 616 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 51341616.

It is not an unprimeable number, because it can be changed into a prime (51341617) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14061 + ... + 17331.

Almost surely, 251341616 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 51341616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72523880).

51341616 is an abundant number, since it is smaller than the sum of its proper divisors (93706144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

51341616 is a wasteful number, since it uses less digits than its factorization.

51341616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3394 (or 3385 counting only the distinct ones).

The product of its digits is 2160, while the sum is 27.

The square root of 51341616 is about 7165.3064135458. The cubic root of 51341616 is about 371.6691473846.

The spelling of 51341616 in words is "fifty-one million, three hundred forty-one thousand, six hundred sixteen".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 36 48 72 109 144 218 327 436 654 872 981 1308 1744 1962 2616 3271 3924 5232 6542 7848 9813 13084 15696 19626 26168 29439 39252 52336 58878 78504 117756 157008 235512 356539 471024 713078 1069617 1426156 2139234 2852312 3208851 4278468 5704624 6417702 8556936 12835404 17113872 25670808 51341616