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52188801 = 3719139941
BaseRepresentation
bin1100011100010…
…1011010000001
310122012110120120
43013011122001
5101330020201
65102330453
71202411640
oct307053201
9118173516
1052188801
1127506245
1215589a29
13aa73762
146d07357
1548ad536
hex31c5681

52188801 has 32 divisors (see below), whose sum is σ = 84403200. Its totient is φ = 28019520.

The previous prime is 52188797. The next prime is 52188803. The reversal of 52188801 is 10888125.

It is not a de Polignac number, because 52188801 - 22 = 52188797 is a prime.

It is not an unprimeable number, because it can be changed into a prime (52188803) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 54991 + ... + 55931.

It is an arithmetic number, because the mean of its divisors is an integer number (2637600).

Almost surely, 252188801 is an apocalyptic number.

It is an amenable number.

52188801 is a deficient number, since it is larger than the sum of its proper divisors (32214399).

52188801 is a wasteful number, since it uses less digits than its factorization.

52188801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109.

The product of its (nonzero) digits is 5120, while the sum is 33.

The square root of 52188801 is about 7224.1816837618. The cubic root of 52188801 is about 373.7023020155.

The spelling of 52188801 in words is "fifty-two million, one hundred eighty-eight thousand, eight hundred one".

Divisors: 1 3 7 19 21 57 133 139 399 417 941 973 2641 2823 2919 6587 7923 17879 18487 19761 53637 55461 125153 130799 375459 392397 915593 2485181 2746779 7455543 17396267 52188801