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42201265 = 522936857
BaseRepresentation
bin1010000011111…
…1000010110001
32221102001020211
42200333002301
541300420030
64104304121
71021463521
oct240770261
987361224
1042201265
1121904487
1212172041
138987782
145867681
153a8912a
hex283f0b1

42201265 has 8 divisors (see below), whose sum is σ = 50864040. Its totient is φ = 33612672.

The previous prime is 42201239. The next prime is 42201281. The reversal of 42201265 is 56210224.

It can be written as a sum of positive squares in 4 ways, for example, as 14837904 + 27363361 = 3852^2 + 5231^2 .

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 42201265 - 25 = 42201233 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17284 + ... + 19573.

It is an arithmetic number, because the mean of its divisors is an integer number (6358005).

Almost surely, 242201265 is an apocalyptic number.

It is an amenable number.

42201265 is a deficient number, since it is larger than the sum of its proper divisors (8662775).

42201265 is a wasteful number, since it uses less digits than its factorization.

42201265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37091.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 42201265 is about 6496.2500721570. The cubic root of 42201265 is about 348.1570200159.

Adding to 42201265 its reverse (56210224), we get a palindrome (98411489).

The spelling of 42201265 in words is "forty-two million, two hundred one thousand, two hundred sixty-five".

Divisors: 1 5 229 1145 36857 184285 8440253 42201265