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105403033 = 142374071
BaseRepresentation
bin1100100100001…
…01001010011001
321100100000210001
412102011022121
5203440344113
614243053001
72416624321
oct622051231
9240300701
10105403033
115455194a
122b371161
1318ab5b78
14ddda281
1593c07dd
hex6485299

105403033 has 4 divisors (see below), whose sum is σ = 105478528. Its totient is φ = 105327540.

The previous prime is 105403031. The next prime is 105403057. The reversal of 105403033 is 330304501.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 330304501 = 1283257447.

It is a cyclic number.

It is not a de Polignac number, because 105403033 - 21 = 105403031 is a prime.

It is a super-2 number, since 2×1054030332 = 22219598731198178, which contains 22 as substring.

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 105403033.

It is not an unprimeable number, because it can be changed into a prime (105403031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35613 + ... + 38458.

It is an arithmetic number, because the mean of its divisors is an integer number (26369632).

Almost surely, 2105403033 is an apocalyptic number.

It is an amenable number.

105403033 is a deficient number, since it is larger than the sum of its proper divisors (75495).

105403033 is an equidigital number, since it uses as much as digits as its factorization.

105403033 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75494.

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 105403033 is about 10266.5979272591. The cubic root of 105403033 is about 472.3722420843.

Adding to 105403033 its reverse (330304501), we get a palindrome (435707534).

The spelling of 105403033 in words is "one hundred five million, four hundred three thousand, thirty-three".

Divisors: 1 1423 74071 105403033