Base | Representation |
---|---|
bin | 1100010000100… |
… | …0000011010010 |
3 | 10120202001122200 |
4 | 3010020003102 |
5 | 101130210302 |
6 | 5033544030 |
7 | 1163001501 |
oct | 304100322 |
9 | 116661580 |
10 | 51413202 |
11 | 27026555 |
12 | 15275016 |
13 | a861719 |
14 | 6b84838 |
15 | 47a881c |
hex | 31080d2 |
51413202 has 96 divisors (see below), whose sum is σ = 128044800. Its totient is φ = 14805504.
The previous prime is 51413191. The next prime is 51413207. The reversal of 51413202 is 20231415.
51413202 is a `hidden beast` number, since 51 + 413 + 202 = 666.
It is a Harshad number since it is a multiple of its sum of digits (18).
It is not an unprimeable number, because it can be changed into a prime (51413207) by changing a digit.
It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 214999 + ... + 215237.
It is an arithmetic number, because the mean of its divisors is an integer number (1333800).
Almost surely, 251413202 is an apocalyptic number.
It is a practical number, because each smaller number is the sum of distinct divisors of 51413202, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (64022400).
51413202 is an abundant number, since it is smaller than the sum of its proper divisors (76631598).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
51413202 is a wasteful number, since it uses less digits than its factorization.
51413202 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 320 (or 317 counting only the distinct ones).
The product of its (nonzero) digits is 240, while the sum is 18.
The square root of 51413202 is about 7170.2999937241. The cubic root of 51413202 is about 371.8418075216.
Adding to 51413202 its reverse (20231415), we get a palindrome (71644617).
It can be divided in two parts, 51413 and 202, that added together give a palindrome (51615).
The spelling of 51413202 in words is "fifty-one million, four hundred thirteen thousand, two hundred two".
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