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434502242 = 2217251121
BaseRepresentation
bin11001111001011…
…111101001100010
31010021121000000122
4121321133221202
51342213032432
6111040520242
713524131246
oct3171375142
91107530018
10434502242
112032a0a69
12101620082
136c031925
14419c6426
152822b612
hex19e5fa62

434502242 has 4 divisors (see below), whose sum is σ = 651753366. Its totient is φ = 217251120.

The previous prime is 434502227. The next prime is 434502247. The reversal of 434502242 is 242205434.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 242205434 = 2121102717.

It can be written as a sum of positive squares in only one way, i.e., 385376161 + 49126081 = 19631^2 + 7009^2 .

It is not an unprimeable number, because it can be changed into a prime (434502247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 108625559 + ... + 108625562.

Almost surely, 2434502242 is an apocalyptic number.

434502242 is a deficient number, since it is larger than the sum of its proper divisors (217251124).

434502242 is a wasteful number, since it uses less digits than its factorization.

434502242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 217251123.

The product of its (nonzero) digits is 7680, while the sum is 26.

The square root of 434502242 is about 20844.7173643588. The cubic root of 434502242 is about 757.4093706631.

Adding to 434502242 its reverse (242205434), we get a palindrome (676707676).

The spelling of 434502242 in words is "four hundred thirty-four million, five hundred two thousand, two hundred forty-two".

Divisors: 1 2 217251121 434502242