Search a number
-
+
431330053 = 71137151397
BaseRepresentation
bin11001101101011…
…001001100000101
31010001121211121011
4121231121030011
51340410030203
6110444522221
713455150010
oct3155311405
91101554534
10431330053
11201524720
12100550371
136b490aab
14413dc377
1527d0176d
hex19b59305

431330053 has 16 divisors (see below), whose sum is σ = 552299904. Its totient is φ = 327015360.

The previous prime is 431330047. The next prime is 431330071. The reversal of 431330053 is 350033134.

It is not a de Polignac number, because 431330053 - 217 = 431198981 is a prime.

It is a super-2 number, since 2×4313300532 = 372091229241965618, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431330023) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 72850 + ... + 78547.

It is an arithmetic number, because the mean of its divisors is an integer number (34518744).

Almost surely, 2431330053 is an apocalyptic number.

It is an amenable number.

431330053 is a deficient number, since it is larger than the sum of its proper divisors (120969851).

431330053 is a wasteful number, since it uses less digits than its factorization.

431330053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151452.

The product of its (nonzero) digits is 1620, while the sum is 22.

The square root of 431330053 is about 20768.4870175947. The cubic root of 431330053 is about 755.5616498267.

Adding to 431330053 its reverse (350033134), we get a palindrome (781363187).

The spelling of 431330053 in words is "four hundred thirty-one million, three hundred thirty thousand, fifty-three".

Divisors: 1 7 11 37 77 259 407 2849 151397 1059779 1665367 5601689 11657569 39211823 61618579 431330053