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355224242 = 21091629469
BaseRepresentation
bin10101001011000…
…100101010110010
3220202102021001102
4111023010222302
51211414133432
655125404402
711542233122
oct2513045262
9822367042
10355224242
1117257325a
129ab69702
1358795079
143526ac82
15212bb962
hex152c4ab2

355224242 has 8 divisors (see below), whose sum is σ = 537725100. Its totient is φ = 175982544.

The previous prime is 355224241. The next prime is 355224263. The reversal of 355224242 is 242422553.

It can be written as a sum of positive squares in 2 ways, for example, as 289306081 + 65918161 = 17009^2 + 8119^2 .

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 (355224241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 814517 + ... + 814952.

Almost surely, 2355224242 is an apocalyptic number.

355224242 is a deficient number, since it is larger than the sum of its proper divisors (182500858).

355224242 is a wasteful number, since it uses less digits than its factorization.

355224242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629580.

The product of its digits is 19200, while the sum is 29.

The square root of 355224242 is about 18847.3935067956. The cubic root of 355224242 is about 708.2189319956.

Adding to 355224242 its reverse (242422553), we get a palindrome (597646795).

The spelling of 355224242 in words is "three hundred fifty-five million, two hundred twenty-four thousand, two hundred forty-two".

Divisors: 1 2 109 218 1629469 3258938 177612121 355224242