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52225401 = 317408467
BaseRepresentation
bin1100011100111…
…0010101111001
310122021022210010
43013032111321
5101332203101
65103212133
71202623434
oct307162571
9118238703
1052225401
1127530798
12155a7049
13aa87307
146d1681b
1548b92d6
hex31ce579

52225401 has 4 divisors (see below), whose sum is σ = 69633872. Its totient is φ = 34816932.

The previous prime is 52225391. The next prime is 52225403. The reversal of 52225401 is 10452225.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 52225401 - 26 = 52225337 is a prime.

It is a super-3 number, since 3×522254013 (a number of 24 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (52225403) 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, 8704231 + ... + 8704236.

It is an arithmetic number, because the mean of its divisors is an integer number (17408468).

Almost surely, 252225401 is an apocalyptic number.

It is an amenable number.

52225401 is a deficient number, since it is larger than the sum of its proper divisors (17408471).

52225401 is a wasteful number, since it uses less digits than its factorization.

52225401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17408470.

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 52225401 is about 7226.7143986739. The cubic root of 52225401 is about 373.7896407286.

Adding to 52225401 its reverse (10452225), we get a palindrome (62677626).

The spelling of 52225401 in words is "fifty-two million, two hundred twenty-five thousand, four hundred one".

Divisors: 1 3 17408467 52225401