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354220052441 = 1720836473673
BaseRepresentation
bin1010010011110010010…
…10010000111111011001
31020212022012112002000112
411021321022100333121
521300420313134231
6430420525014105
734406621524103
oct5117112207731
91225265462015
10354220052441
11127250a921a2
12587976b4335
1327530c78588
1413204108573
15933279492b
hex5279290fd9

354220052441 has 4 divisors (see below), whose sum is σ = 375056526132. Its totient is φ = 333383578752.

The previous prime is 354220052429. The next prime is 354220052471. The reversal of 354220052441 is 144250022453.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 205409274841 + 148810777600 = 453221^2 + 385760^2 .

It is a cyclic number.

It is not a de Polignac number, because 354220052441 - 218 = 354219790297 is a prime.

It is a super-3 number, since 3×3542200524413 (a number of 36 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 354220052398 and 354220052407.

It is not an unprimeable number, because it can be changed into a prime (354220052471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10418236820 + ... + 10418236853.

It is an arithmetic number, because the mean of its divisors is an integer number (93764131533).

Almost surely, 2354220052441 is an apocalyptic number.

It is an amenable number.

354220052441 is a deficient number, since it is larger than the sum of its proper divisors (20836473691).

354220052441 is a wasteful number, since it uses less digits than its factorization.

354220052441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836473690.

The product of its (nonzero) digits is 38400, while the sum is 32.

Adding to 354220052441 its reverse (144250022453), we get a palindrome (498470074894).

The spelling of 354220052441 in words is "three hundred fifty-four billion, two hundred twenty million, fifty-two thousand, four hundred forty-one".

Divisors: 1 17 20836473673 354220052441