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42202233 = 3224119457
BaseRepresentation
bin1010000011111…
…1010001111001
32221102002120200
42200333101321
541300432413
64104312413
71021466403
oct240772171
987362520
1042202233
1121905187
1212172709
138988048
145867b73
153a89573
hex283f479

42202233 has 12 divisors (see below), whose sum is σ = 61214868. Its totient is φ = 28016640.

The previous prime is 42202231. The next prime is 42202241. The reversal of 42202233 is 33220224.

It can be written as a sum of positive squares in 2 ways, for example, as 33039504 + 9162729 = 5748^2 + 3027^2 .

It is not a de Polignac number, because 42202233 - 21 = 42202231 is a prime.

It is not an unprimeable number, because it can be changed into a prime (42202231) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7560 + ... + 11897.

It is an arithmetic number, because the mean of its divisors is an integer number (5101239).

Almost surely, 242202233 is an apocalyptic number.

It is an amenable number.

42202233 is a deficient number, since it is larger than the sum of its proper divisors (19012635).

42202233 is a wasteful number, since it uses less digits than its factorization.

42202233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19704 (or 19701 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42202233 is about 6496.3245762508. The cubic root of 42202233 is about 348.1596819694.

Adding to 42202233 its reverse (33220224), we get a palindrome (75422457).

Subtracting from 42202233 its reverse (33220224), we obtain a square (8982009 = 29972).

The spelling of 42202233 in words is "forty-two million, two hundred two thousand, two hundred thirty-three".

Divisors: 1 3 9 241 723 2169 19457 58371 175113 4689137 14067411 42202233