Search a number
-
+
253203046 = 21031229141
BaseRepresentation
bin11110001011110…
…01001001100110
3122122110001021121
433011321021212
51004304444141
641043004154
76163122205
oct1705711146
9578401247
10253203046
1111aa21218
127096965a
13405c45b5
14258b123c
15173681d1
hexf179266

253203046 has 8 divisors (see below), whose sum is σ = 383492304. Its totient is φ = 125372280.

The previous prime is 253203011. The next prime is 253203047. The reversal of 253203046 is 640302352.

It is a happy number.

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

It is a super-2 number, since 2×2532030462 = 128223565007356232, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 253203046.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (253203047) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 614365 + ... + 614776.

It is an arithmetic number, because the mean of its divisors is an integer number (47936538).

Almost surely, 2253203046 is an apocalyptic number.

253203046 is a deficient number, since it is larger than the sum of its proper divisors (130289258).

253203046 is a wasteful number, since it uses less digits than its factorization.

253203046 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1229246.

The product of its (nonzero) digits is 4320, while the sum is 25.

The square root of 253203046 is about 15912.3551368111. The cubic root of 253203046 is about 632.6395061679.

Adding to 253203046 its reverse (640302352), we get a palindrome (893505398).

The spelling of 253203046 in words is "two hundred fifty-three million, two hundred three thousand, forty-six".

Divisors: 1 2 103 206 1229141 2458282 126601523 253203046