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4232420653 = 28349149297
BaseRepresentation
bin1111110001000101…
…1001110100101101
3101220222001020122111
43330101121310231
532131444430103
61535551244021
7206611660546
oct37421316455
911828036574
104232420653
11188210030a
129a1519611
13525b1a726
142c21754cd
1519b88586d
hexfc459d2d

4232420653 has 4 divisors (see below), whose sum is σ = 4232598300. Its totient is φ = 4232243008.

The previous prime is 4232420651. The next prime is 4232420681. The reversal of 4232420653 is 3560242324.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1548973449 + 2683447204 = 39357^2 + 51802^2 .

It is a cyclic number.

It is not a de Polignac number, because 4232420653 - 21 = 4232420651 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4232420651) 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, 46300 + ... + 102997.

It is an arithmetic number, because the mean of its divisors is an integer number (1058149575).

Almost surely, 24232420653 is an apocalyptic number.

It is an amenable number.

4232420653 is a deficient number, since it is larger than the sum of its proper divisors (177647).

4232420653 is a wasteful number, since it uses less digits than its factorization.

4232420653 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177646.

The product of its (nonzero) digits is 34560, while the sum is 31.

The square root of 4232420653 is about 65057.0569039209. The cubic root of 4232420653 is about 1617.5694707415.

Adding to 4232420653 its reverse (3560242324), we get a palindrome (7792662977).

The spelling of 4232420653 in words is "four billion, two hundred thirty-two million, four hundred twenty thousand, six hundred fifty-three".

Divisors: 1 28349 149297 4232420653