Search a number
-
+
252593137 = 4343913381
BaseRepresentation
bin11110000111001…
…00001111110001
3122121022001122101
433003210033301
51004130440022
641021540401
76155002066
oct1703441761
9577261571
10252593137
1111a644a65
1270714701
134043cac4
1425792c6d
1517297627
hexf0e43f1

252593137 has 8 divisors (see below), whose sum is σ = 259075520. Its totient is φ = 246138480.

The previous prime is 252593111. The next prime is 252593167. The reversal of 252593137 is 731395252.

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

It is a cyclic number.

It is not a de Polignac number, because 252593137 - 223 = 244204529 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 252593096 and 252593105.

It is not an unprimeable number, because it can be changed into a prime (252593167) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12187 + ... + 25567.

It is an arithmetic number, because the mean of its divisors is an integer number (32384440).

Almost surely, 2252593137 is an apocalyptic number.

It is an amenable number.

252593137 is a deficient number, since it is larger than the sum of its proper divisors (6482383).

252593137 is a wasteful number, since it uses less digits than its factorization.

252593137 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13863.

The product of its digits is 56700, while the sum is 37.

The square root of 252593137 is about 15893.1789456987. The cubic root of 252593137 is about 632.1311358297.

The spelling of 252593137 in words is "two hundred fifty-two million, five hundred ninety-three thousand, one hundred thirty-seven".

Divisors: 1 43 439 13381 18877 575383 5874259 252593137