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52106353 = 134008181
BaseRepresentation
bin1100011011000…
…1010001110001
310122001021110221
43012301101301
5101314400403
65100453041
71201616365
oct306612161
9118037427
1052106353
112745a302
121554a181
13aa45080
146cc52a5
154893dbd
hex31b1471

52106353 has 4 divisors (see below), whose sum is σ = 56114548. Its totient is φ = 48098160.

The previous prime is 52106347. The next prime is 52106357. The reversal of 52106353 is 35360125.

It is a happy number.

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 30835809 + 21270544 = 5553^2 + 4612^2 .

It is a cyclic number.

It is not a de Polignac number, because 52106353 - 29 = 52105841 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (52106357) 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, 2004078 + ... + 2004103.

It is an arithmetic number, because the mean of its divisors is an integer number (14028637).

Almost surely, 252106353 is an apocalyptic number.

It is an amenable number.

52106353 is a deficient number, since it is larger than the sum of its proper divisors (4008195).

52106353 is a wasteful number, since it uses less digits than its factorization.

52106353 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4008194.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 52106353 is about 7218.4730379769. The cubic root of 52106353 is about 373.5054063459.

Adding to 52106353 its reverse (35360125), we get a palindrome (87466478).

The spelling of 52106353 in words is "fifty-two million, one hundred six thousand, three hundred fifty-three".

Divisors: 1 13 4008181 52106353