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52274221 = 417916139
BaseRepresentation
bin1100011101101…
…0010000101101
310122100210202021
43013122100231
5101340233341
65104230141
71203215656
oct307322055
9118323667
1052274221
112756443a
121560b351
13aaa35bc
146d2a52d
1548c89d1
hex31da42d

52274221 has 8 divisors (see below), whose sum is σ = 54230400. Its totient is φ = 50350560.

The previous prime is 52274219. The next prime is 52274231. The reversal of 52274221 is 12247225.

52274221 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 a cyclic number.

It is not a de Polignac number, because 52274221 - 21 = 52274219 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 (52274231) 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, 4831 + ... + 11308.

It is an arithmetic number, because the mean of its divisors is an integer number (6778800).

Almost surely, 252274221 is an apocalyptic number.

It is an amenable number.

52274221 is a deficient number, since it is larger than the sum of its proper divisors (1956179).

52274221 is a wasteful number, since it uses less digits than its factorization.

52274221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16259.

The product of its digits is 2240, while the sum is 25.

The square root of 52274221 is about 7230.0913548862. The cubic root of 52274221 is about 373.9060765797.

The spelling of 52274221 in words is "fifty-two million, two hundred seventy-four thousand, two hundred twenty-one".

Divisors: 1 41 79 3239 16139 661699 1274981 52274221