Search a number
-
+
252430234 = 2718030731
BaseRepresentation
bin11110000101111…
…00011110011010
3122120222210011221
433002330132122
51004110231414
641014242254
76153423130
oct1702743632
9576883157
10252430234
1111a543631
127065638a
13403b3904
142574d750
1517264224
hexf0bc79a

252430234 has 8 divisors (see below), whose sum is σ = 432737568. Its totient is φ = 108184380.

The previous prime is 252430223. The next prime is 252430249. The reversal of 252430234 is 432034252.

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

It is a junction number, because it is equal to n+sod(n) for n = 252430199 and 252430208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9015352 + ... + 9015379.

It is an arithmetic number, because the mean of its divisors is an integer number (54092196).

Almost surely, 2252430234 is an apocalyptic number.

252430234 is a deficient number, since it is larger than the sum of its proper divisors (180307334).

252430234 is a wasteful number, since it uses less digits than its factorization.

252430234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18030740.

The product of its (nonzero) digits is 5760, while the sum is 25.

The square root of 252430234 is about 15888.0531847045. The cubic root of 252430234 is about 631.9952147397.

Adding to 252430234 its reverse (432034252), we get a palindrome (684464486).

The spelling of 252430234 in words is "two hundred fifty-two million, four hundred thirty thousand, two hundred thirty-four".

Divisors: 1 2 7 14 18030731 36061462 126215117 252430234