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354345121 = 1353514289
BaseRepresentation
bin10101000111101…
…110000010100001
3220200202121010101
4111013232002201
51211203020441
655054502401
711531612104
oct2507560241
9820677111
10354345121
11172022809
129a804a01
1358547b90
14350bc73b
1521196231
hex151ee0a1

354345121 has 8 divisors (see below), whose sum is σ = 388803240. Its totient is φ = 320915712.

The previous prime is 354345077. The next prime is 354345133. The reversal of 354345121 is 121543453.

It can be written as a sum of positive squares in 4 ways, for example, as 28037025 + 326308096 = 5295^2 + 18064^2 .

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

It is not a de Polignac number, because 354345121 - 213 = 354336929 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 354345121.

It is not an unprimeable number, because it can be changed into a prime (354345721) 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 7 ways as a sum of consecutive naturals, for example, 256456 + ... + 257833.

It is an arithmetic number, because the mean of its divisors is an integer number (48600405).

Almost surely, 2354345121 is an apocalyptic number.

It is an amenable number.

354345121 is a deficient number, since it is larger than the sum of its proper divisors (34458119).

354345121 is a wasteful number, since it uses less digits than its factorization.

354345121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 514355.

The product of its digits is 7200, while the sum is 28.

The square root of 354345121 is about 18824.0569750519. The cubic root of 354345121 is about 707.6342079554.

Adding to 354345121 its reverse (121543453), we get a palindrome (475888574).

The spelling of 354345121 in words is "three hundred fifty-four million, three hundred forty-five thousand, one hundred twenty-one".

Divisors: 1 13 53 689 514289 6685757 27257317 354345121