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52191633 = 3131338247
BaseRepresentation
bin1100011100011…
…0000110010001
310122012121110110
43013012012101
5101330113013
65102351533
71202423124
oct307060621
9118177413
1052191633
112750838a
121558b5a9
13aa74b30
146d083bb
1548ae2c3
hex31c6191

52191633 has 8 divisors (see below), whose sum is σ = 74941888. Its totient is φ = 32117904.

The previous prime is 52191611. The next prime is 52191641. The reversal of 52191633 is 33619125.

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

It is not a de Polignac number, because 52191633 - 212 = 52187537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 52191633.

It is not an unprimeable number, because it can be changed into a prime (52191653) 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 7 ways as a sum of consecutive naturals, for example, 669085 + ... + 669162.

It is an arithmetic number, because the mean of its divisors is an integer number (9367736).

Almost surely, 252191633 is an apocalyptic number.

It is an amenable number.

52191633 is a deficient number, since it is larger than the sum of its proper divisors (22750255).

52191633 is a wasteful number, since it uses less digits than its factorization.

52191633 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338263.

The product of its digits is 4860, while the sum is 30.

The square root of 52191633 is about 7224.3776894623. The cubic root of 52191633 is about 373.7090614847.

The spelling of 52191633 in words is "fifty-two million, one hundred ninety-one thousand, six hundred thirty-three".

Divisors: 1 3 13 39 1338247 4014741 17397211 52191633