Search a number
-
+
423815253 = 31715535351
BaseRepresentation
bin11001010000101…
…110100001010101
31002112111001020020
4121100232201111
51331444042003
6110015455353
713334240661
oct3120564125
91075431206
10423815253
111a8261744
12b9b27559
1369a5c474
14404038a1
1527319d53
hex1942e855

423815253 has 16 divisors (see below), whose sum is σ = 598824576. Its totient is φ = 265702400.

The previous prime is 423815243. The next prime is 423815317. The reversal of 423815253 is 352518324.

It is a cyclic number.

It is not a de Polignac number, because 423815253 - 210 = 423814229 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (423815243) 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 15 ways as a sum of consecutive naturals, for example, 76528 + ... + 81878.

It is an arithmetic number, because the mean of its divisors is an integer number (37426536).

Almost surely, 2423815253 is an apocalyptic number.

It is an amenable number.

423815253 is a deficient number, since it is larger than the sum of its proper divisors (175009323).

423815253 is a wasteful number, since it uses less digits than its factorization.

423815253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6924.

The product of its digits is 28800, while the sum is 33.

The square root of 423815253 is about 20586.7737394668. The cubic root of 423815253 is about 751.1480213881.

It can be divided in two parts, 4238 and 15253, that added together give a palindrome (19491).

The spelling of 423815253 in words is "four hundred twenty-three million, eight hundred fifteen thousand, two hundred fifty-three".

Divisors: 1 3 17 51 1553 4659 5351 16053 26401 79203 90967 272901 8310103 24930309 141271751 423815253