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202025242 = 2113893917
BaseRepresentation
bin11000000101010…
…10100100011010
3112002010221112101
430002222210122
5403204301432
632014034014
75002120606
oct1402524432
9462127471
10202025242
11a4046611
12577a890a
1332b16083
141cb8c506
1512b094e7
hexc0aa91a

202025242 has 8 divisors (see below), whose sum is σ = 305719956. Its totient is φ = 100118592.

The previous prime is 202025221. The next prime is 202025249. The reversal of 202025242 is 242520202.

It can be written as a sum of positive squares in 2 ways, for example, as 160047801 + 41977441 = 12651^2 + 6479^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (202025249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 446733 + ... + 447184.

Almost surely, 2202025242 is an apocalyptic number.

202025242 is a deficient number, since it is larger than the sum of its proper divisors (103694714).

202025242 is a wasteful number, since it uses less digits than its factorization.

202025242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894032.

The product of its (nonzero) digits is 640, while the sum is 19.

The square root of 202025242 is about 14213.5583862733. The cubic root of 202025242 is about 586.7708698484.

Adding to 202025242 its reverse (242520202), we get a palindrome (444545444).

The spelling of 202025242 in words is "two hundred two million, twenty-five thousand, two hundred forty-two".

Divisors: 1 2 113 226 893917 1787834 101012621 202025242