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10403345 = 511318413
BaseRepresentation
bin100111101011…
…111000010001
3201120112201002
4213223320101
510130401340
61010551345
7154266311
oct47537021
921515632
1010403345
115966207
123598555
132203334
14154b441
15da7715
hex9ebe11

10403345 has 8 divisors (see below), whose sum is σ = 12595176. Its totient is φ = 8248576.

The previous prime is 10403333. The next prime is 10403357. The reversal of 10403345 is 54330401.

10403345 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (10403333) and next prime (10403357).

It can be written as a sum of positive squares in 4 ways, for example, as 169744 + 10233601 = 412^2 + 3199^2 .

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 10403345 - 210 = 10402321 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8642 + ... + 9771.

It is an arithmetic number, because the mean of its divisors is an integer number (1574397).

Almost surely, 210403345 is an apocalyptic number.

It is an amenable number.

10403345 is a deficient number, since it is larger than the sum of its proper divisors (2191831).

10403345 is a wasteful number, since it uses less digits than its factorization.

10403345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18531.

The product of its (nonzero) digits is 720, while the sum is 20.

The square root of 10403345 is about 3225.4216778586. The cubic root of 10403345 is about 218.3019760857.

Adding to 10403345 its reverse (54330401), we get a palindrome (64733746).

The spelling of 10403345 in words is "ten million, four hundred three thousand, three hundred forty-five".

Divisors: 1 5 113 565 18413 92065 2080669 10403345