Search a number
-
+
51087108 = 22317214731
BaseRepresentation
bin1100001011100…
…0011100000100
310120010111100010
43002320130010
5101034241413
65022550220
71160143002
oct302703404
9116114303
1051087108
1126923556
1215138370
13a779177
146adba72
154741dc3
hex30b8704

51087108 has 36 divisors (see below), whose sum is σ = 126636272. Its totient is φ = 16026240.

The previous prime is 51087103. The next prime is 51087119. The reversal of 51087108 is 80178015.

It is not an unprimeable number, because it can be changed into a prime (51087103) 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, 3898 + ... + 10833.

Almost surely, 251087108 is an apocalyptic number.

It is an amenable number.

51087108 is an abundant number, since it is smaller than the sum of its proper divisors (75549164).

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

51087108 is a wasteful number, since it uses less digits than its factorization.

51087108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14772 (or 14753 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 30.

The square root of 51087108 is about 7147.5246064634. The cubic root of 51087108 is about 371.0539901035.

The spelling of 51087108 in words is "fifty-one million, eighty-seven thousand, one hundred eight".

Divisors: 1 2 3 4 6 12 17 34 51 68 102 204 289 578 867 1156 1734 3468 14731 29462 44193 58924 88386 176772 250427 500854 751281 1001708 1502562 3005124 4257259 8514518 12771777 17029036 25543554 51087108