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354442105 = 570888421
BaseRepresentation
bin10101001000000…
…101101101111001
3220200221112011101
4111020011231321
51211214121410
655100531401
711532464623
oct2510055571
9820845141
10354442105
11172089666
129a850b61
1358580074
1435105c13
15211b4d3a
hex15205b79

354442105 has 4 divisors (see below), whose sum is σ = 425330532. Its totient is φ = 283553680.

The previous prime is 354442103. The next prime is 354442133. The reversal of 354442105 is 501244453.

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 273009529 + 81432576 = 16523^2 + 9024^2 .

It is not a de Polignac number, because 354442105 - 21 = 354442103 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (354442103) 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, 35444206 + ... + 35444215.

It is an arithmetic number, because the mean of its divisors is an integer number (106332633).

Almost surely, 2354442105 is an apocalyptic number.

It is an amenable number.

354442105 is a deficient number, since it is larger than the sum of its proper divisors (70888427).

354442105 is an equidigital number, since it uses as much as digits as its factorization.

354442105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70888426.

The product of its (nonzero) digits is 9600, while the sum is 28.

The square root of 354442105 is about 18826.6328641104. The cubic root of 354442105 is about 707.6987617210.

Adding to 354442105 its reverse (501244453), we get a palindrome (855686558).

The spelling of 354442105 in words is "three hundred fifty-four million, four hundred forty-two thousand, one hundred five".

Divisors: 1 5 70888421 354442105