Search a number
-
+
253012026 = 2342168671
BaseRepresentation
bin11110001010010…
…10100000111010
3122122002100020210
433011022200322
51004232341101
641034531550
76161365251
oct1705124072
9578070223
10253012026
1111a900753
1270896bb6
1340558677
1425861798
151732b7d6
hexf14a83a

253012026 has 8 divisors (see below), whose sum is σ = 506024064. Its totient is φ = 84337340.

The previous prime is 253012021. The next prime is 253012051. The reversal of 253012026 is 620210352.

It is a sphenic number, since it is the product of 3 distinct primes.

253012026 is an admirable number.

It is a junction number, because it is equal to n+sod(n) for n = 253011993 and 253012011.

It is not an unprimeable number, because it can be changed into a prime (253012021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21084330 + ... + 21084341.

It is an arithmetic number, because the mean of its divisors is an integer number (63253008).

Almost surely, 2253012026 is an apocalyptic number.

253012026 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

253012026 is a wasteful number, since it uses less digits than its factorization.

253012026 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42168676.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 253012026 is about 15906.3517501657. The cubic root of 253012026 is about 632.4803753799.

Adding to 253012026 its reverse (620210352), we get a palindrome (873222378).

The spelling of 253012026 in words is "two hundred fifty-three million, twelve thousand, twenty-six".

Divisors: 1 2 3 6 42168671 84337342 126506013 253012026