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52202311 = 733722129
BaseRepresentation
bin1100011100100…
…0101101000111
310122020011002221
43013020231013
5101330433221
65102513211
71202466220
oct307105507
9118204087
1052202311
1127515407
1215595807
13aa79955
146d0c247
1548b2541
hex31c8b47

52202311 has 8 divisors (see below), whose sum is σ = 59839520. Its totient is φ = 44610048.

The previous prime is 52202309. The next prime is 52202377. The reversal of 52202311 is 11320225.

52202311 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 52202311 - 21 = 52202309 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 (52202011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8706 + ... + 13423.

It is an arithmetic number, because the mean of its divisors is an integer number (7479940).

Almost surely, 252202311 is an apocalyptic number.

52202311 is a deficient number, since it is larger than the sum of its proper divisors (7637209).

52202311 is a wasteful number, since it uses less digits than its factorization.

52202311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22473.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 52202311 is about 7225.1166772586. The cubic root of 52202311 is about 373.7345457307.

Adding to 52202311 its reverse (11320225), we get a palindrome (63522536).

The spelling of 52202311 in words is "fifty-two million, two hundred two thousand, three hundred eleven".

Divisors: 1 7 337 2359 22129 154903 7457473 52202311