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354203111 = 1918642269
BaseRepresentation
bin10101000111001…
…011010111100111
3220200111101022202
4111013023113213
51211133444421
655051445115
711530451063
oct2507132747
9820441282
10354203111
11171a36049
129a75679b
13584c8352
1435082aa3
152116910b
hex151cb5e7

354203111 has 4 divisors (see below), whose sum is σ = 372845400. Its totient is φ = 335560824.

The previous prime is 354203107. The next prime is 354203119. The reversal of 354203111 is 111302453.

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

It is not a de Polignac number, because 354203111 - 22 = 354203107 is a prime.

It is a super-3 number, since 3×3542031113 (a number of 27 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (354203119) 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 in 3 ways as a sum of consecutive naturals, for example, 9321116 + ... + 9321153.

It is an arithmetic number, because the mean of its divisors is an integer number (93211350).

Almost surely, 2354203111 is an apocalyptic number.

354203111 is a deficient number, since it is larger than the sum of its proper divisors (18642289).

354203111 is a wasteful number, since it uses less digits than its factorization.

354203111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18642288.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 354203111 is about 18820.2845621420. The cubic root of 354203111 is about 707.5396630654.

Adding to 354203111 its reverse (111302453), we get a palindrome (465505564).

The spelling of 354203111 in words is "three hundred fifty-four million, two hundred three thousand, one hundred eleven".

Divisors: 1 19 18642269 354203111