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42228201 = 3101139367
BaseRepresentation
bin1010000100010…
…1100111101001
32221110102012110
42201011213221
541302300301
64105032533
71021635201
oct241054751
987412173
1042228201
1121922744
1212185749
138996b02
145873401
153a920d6
hex28459e9

42228201 has 8 divisors (see below), whose sum is σ = 56862144. Its totient is φ = 27873200.

The previous prime is 42228181. The next prime is 42228209. The reversal of 42228201 is 10282224.

It is a happy number.

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 42228201 - 223 = 33839593 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (42228209) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 69381 + ... + 69986.

It is an arithmetic number, because the mean of its divisors is an integer number (7107768).

Almost surely, 242228201 is an apocalyptic number.

It is an amenable number.

42228201 is a deficient number, since it is larger than the sum of its proper divisors (14633943).

42228201 is a wasteful number, since it uses less digits than its factorization.

42228201 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 139471.

The product of its (nonzero) digits is 512, while the sum is 21.

The square root of 42228201 is about 6498.3229374970. The cubic root of 42228201 is about 348.2310775349.

The spelling of 42228201 in words is "forty-two million, two hundred twenty-eight thousand, two hundred one".

Divisors: 1 3 101 303 139367 418101 14076067 42228201