Base | Representation |
---|---|
bin | 1100001100100… |
… | …0110011000100 |
3 | 10120020220020220 |
4 | 3003020303010 |
5 | 101043412431 |
6 | 5024224340 |
7 | 1160542236 |
oct | 303106304 |
9 | 116226226 |
10 | 51154116 |
11 | 26969932 |
12 | 1516b0b0 |
13 | a7a0810 |
14 | 6b18256 |
15 | 4756b96 |
hex | 30c8cc4 |
51154116 has 96 divisors (see below), whose sum is σ = 137168640. Its totient is φ = 14716416.
The previous prime is 51154111. The next prime is 51154157. The reversal of 51154116 is 61145115.
It is not an unprimeable number, because it can be changed into a prime (51154111) by changing a digit.
It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190030 + ... + 190298.
It is an arithmetic number, because the mean of its divisors is an integer number (1428840).
Almost surely, 251154116 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 51154116, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68584320).
51154116 is an abundant number, since it is smaller than the sum of its proper divisors (86014524).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51154116 is a wasteful number, since it uses less digits than its factorization.
51154116 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 365 (or 363 counting only the distinct ones).
The product of its digits is 600, while the sum is 24.
The square root of 51154116 is about 7152.2105673701. The cubic root of 51154116 is about 371.2161492336.
Subtracting 51154116 from its reverse (61145115), we obtain a palindrome (9990999).
The spelling of 51154116 in words is "fifty-one million, one hundred fifty-four thousand, one hundred sixteen".
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