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10345240 = 235258631
BaseRepresentation
bin100111011101…
…101100011000
3201110121000001
4213131230120
510122021430
61005422344
7153635023
oct47355430
921417001
1010345240
115926594
12356a9b4
1321b2a59
1415341ba
15d953ca
hex9ddb18

10345240 has 16 divisors (see below), whose sum is σ = 23276880. Its totient is φ = 4138080.

The previous prime is 10345207. The next prime is 10345249. The reversal of 10345240 is 4254301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10345249) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 129276 + ... + 129355.

It is an arithmetic number, because the mean of its divisors is an integer number (1454805).

Almost surely, 210345240 is an apocalyptic number.

10345240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

10345240 is an abundant number, since it is smaller than the sum of its proper divisors (12931640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10345240 is a wasteful number, since it uses less digits than its factorization.

10345240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 258642 (or 258638 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 19.

The square root of 10345240 is about 3216.4017162040. The cubic root of 10345240 is about 217.8947953503.

Adding to 10345240 its reverse (4254301), we get a palindrome (14599541).

It can be divided in two parts, 10345 and 240, that added together give a triangular number (10585 = T145).

The spelling of 10345240 in words is "ten million, three hundred forty-five thousand, two hundred forty".

Divisors: 1 2 4 5 8 10 20 40 258631 517262 1034524 1293155 2069048 2586310 5172620 10345240