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103444331 = 421245711
BaseRepresentation
bin1100010101001…
…10111101101011
321012122111221112
412022212331223
5202440204311
614133100535
72364155654
oct612467553
9235574845
10103444331
1153434291
122a78774b
131857b483
14da4a52b
15913528b
hex62a6f6b

103444331 has 4 divisors (see below), whose sum is σ = 103690464. Its totient is φ = 103198200.

The previous prime is 103444291. The next prime is 103444343. The reversal of 103444331 is 133444301.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-103444331 is a prime.

It is a super-2 number, since 2×1034443312 = 21401459232075122, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 103444297 and 103444306.

It is not an unprimeable number, because it can be changed into a prime (103444351) 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, 122435 + ... + 123276.

It is an arithmetic number, because the mean of its divisors is an integer number (25922616).

Almost surely, 2103444331 is an apocalyptic number.

103444331 is a deficient number, since it is larger than the sum of its proper divisors (246133).

103444331 is an equidigital number, since it uses as much as digits as its factorization.

103444331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246132.

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 103444331 is about 10170.7586246061. The cubic root of 103444331 is about 469.4279005544.

Adding to 103444331 its reverse (133444301), we get a palindrome (236888632).

The spelling of 103444331 in words is "one hundred three million, four hundred forty-four thousand, three hundred thirty-one".

Divisors: 1 421 245711 103444331