Base | Representation |
---|---|
bin | 1100011110110… |
… | …1000010011011 |
3 | 10122111201020210 |
4 | 3013231002123 |
5 | 101400214011 |
6 | 5110022203 |
7 | 1203656130 |
oct | 307550233 |
9 | 118451223 |
10 | 52351131 |
11 | 276071a8 |
12 | 15647963 |
13 | aacc601 |
14 | 6d4a587 |
15 | 48e16a6 |
hex | 31ed09b |
52351131 has 16 divisors (see below), whose sum is σ = 79917824. Its totient is φ = 29860704.
The previous prime is 52351097. The next prime is 52351163. The reversal of 52351131 is 13115325.
It is not a de Polignac number, because 52351131 - 26 = 52351067 is a prime.
It is a super-2 number, since 2×523511312 = 5481281833958322, which contains 22 as substring.
It is a Harshad number since it is a multiple of its sum of digits (21).
It is a junction number, because it is equal to n+sod(n) for n = 52351098 and 52351107.
It is not an unprimeable number, because it can be changed into a prime (52351181) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11565 + ... + 15441.
It is an arithmetic number, because the mean of its divisors is an integer number (4994864).
Almost surely, 252351131 is an apocalyptic number.
52351131 is a deficient number, since it is larger than the sum of its proper divisors (27566693).
52351131 is a wasteful number, since it uses less digits than its factorization.
52351131 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 4530.
The product of its digits is 450, while the sum is 21.
The square root of 52351131 is about 7235.4081432909. The cubic root of 52351131 is about 374.0893601948.
Adding to 52351131 its reverse (13115325), we get a palindrome (65466456).
The spelling of 52351131 in words is "fifty-two million, three hundred fifty-one thousand, one hundred thirty-one".
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