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202253105 = 5291394849
BaseRepresentation
bin11000000111000…
…10001100110001
3112002120112002202
430003202030301
5403234044410
632022552545
75004060125
oct1403421461
9462515082
10202253105
11a419182a
1257898755
1332b959c2
141cc0b585
1512b51ca5
hexc0e2331

202253105 has 8 divisors (see below), whose sum is σ = 251073000. Its totient is φ = 156222976.

The previous prime is 202253071. The next prime is 202253111. The reversal of 202253105 is 501352202.

It can be written as a sum of positive squares in 4 ways, for example, as 60357361 + 141895744 = 7769^2 + 11912^2 .

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 202253105 - 28 = 202252849 is a prime.

It is an unprimeable number.

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, 697280 + ... + 697569.

It is an arithmetic number, because the mean of its divisors is an integer number (31384125).

Almost surely, 2202253105 is an apocalyptic number.

It is an amenable number.

202253105 is a deficient number, since it is larger than the sum of its proper divisors (48819895).

202253105 is a wasteful number, since it uses less digits than its factorization.

202253105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1394883.

The product of its (nonzero) digits is 600, while the sum is 20.

The square root of 202253105 is about 14221.5718188954. The cubic root of 202253105 is about 586.9913920187.

The spelling of 202253105 in words is "two hundred two million, two hundred fifty-three thousand, one hundred five".

Divisors: 1 5 29 145 1394849 6974245 40450621 202253105