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201204242 = 2100602121
BaseRepresentation
bin10111111111000…
…10001000010010
3112000121020022222
423333202020102
5403002013432
631544301042
74662131201
oct1377421022
9460536288
10201204242
11a36357a8
1257471782
13328b9485
141ca17238
15129e6112
hexbfe2212

201204242 has 4 divisors (see below), whose sum is σ = 301806366. Its totient is φ = 100602120.

The previous prime is 201204239. The next prime is 201204247. The reversal of 201204242 is 242402102.

It is a happy number.

201204242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242402102 = 2121201051.

It can be written as a sum of positive squares in only one way, i.e., 152497801 + 48706441 = 12349^2 + 6979^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 201204242.

It is not an unprimeable number, because it can be changed into a prime (201204247) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50301059 + ... + 50301062.

Almost surely, 2201204242 is an apocalyptic number.

201204242 is a deficient number, since it is larger than the sum of its proper divisors (100602124).

201204242 is a wasteful number, since it uses less digits than its factorization.

201204242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100602123.

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 201204242 is about 14184.6481098404. The cubic root of 201204242 is about 585.9749413661.

Adding to 201204242 its reverse (242402102), we get a palindrome (443606344).

The spelling of 201204242 in words is "two hundred one million, two hundred four thousand, two hundred forty-two".

Divisors: 1 2 100602121 201204242