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103443311 = 317942239
BaseRepresentation
bin1100010101001…
…10101101101111
321012122110112202
412022212231233
5202440141221
614133052115
72364152666
oct612465557
9235573482
10103443311
1153433544
122a78703b
131857ab7a
14da49ddd
159134d0b
hex62a6b6f

103443311 has 8 divisors (see below), whose sum is σ = 108134400. Its totient is φ = 98836920.

The previous prime is 103443281. The next prime is 103443313. The reversal of 103443311 is 113344301.

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

It is a cyclic number.

It is not a de Polignac number, because 103443311 - 26 = 103443247 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (103443313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 18671 + ... + 23568.

It is an arithmetic number, because the mean of its divisors is an integer number (13516800).

Almost surely, 2103443311 is an apocalyptic number.

103443311 is a deficient number, since it is larger than the sum of its proper divisors (4691089).

103443311 is an equidigital number, since it uses as much as digits as its factorization.

103443311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42349.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 103443311 is about 10170.7084807303. The cubic root of 103443311 is about 469.4263576374.

Adding to 103443311 its reverse (113344301), we get a palindrome (216787612).

The spelling of 103443311 in words is "one hundred three million, four hundred forty-three thousand, three hundred eleven".

Divisors: 1 31 79 2449 42239 1309409 3336881 103443311