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52435121 = 244121481
BaseRepresentation
bin1100100000000…
…1100010110001
310122122222110112
43020001202301
5101410410441
65111511105
71204456034
oct310014261
9118588415
1052435121
1127664312
1215688495
13ab2b8cb
146d6d01b
15490b4eb
hex32018b1

52435121 has 4 divisors (see below), whose sum is σ = 52459044. Its totient is φ = 52411200.

The previous prime is 52435091. The next prime is 52435169. The reversal of 52435121 is 12153425.

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 20070400 + 32364721 = 4480^2 + 5689^2 .

It is a cyclic number.

It is not a de Polignac number, because 52435121 - 210 = 52434097 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52435171) 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, 8300 + ... + 13181.

It is an arithmetic number, because the mean of its divisors is an integer number (13114761).

Almost surely, 252435121 is an apocalyptic number.

It is an amenable number.

52435121 is a deficient number, since it is larger than the sum of its proper divisors (23923).

52435121 is a wasteful number, since it uses less digits than its factorization.

52435121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23922.

The product of its digits is 1200, while the sum is 23.

The square root of 52435121 is about 7241.2099127149. The cubic root of 52435121 is about 374.2893111597.

Adding to 52435121 its reverse (12153425), we get a palindrome (64588546).

The spelling of 52435121 in words is "fifty-two million, four hundred thirty-five thousand, one hundred twenty-one".

Divisors: 1 2441 21481 52435121