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13103340 = 2235218389
BaseRepresentation
bin110001111111…
…000011101100
3220122201101220
4301333003230
511323301330
61144503340
7216243105
oct61770354
926581356
1013103340
11743a808
12447ab50
13293a273
141a513ac
15123c710
hexc7f0ec

13103340 has 24 divisors (see below), whose sum is σ = 36689520. Its totient is φ = 3494208.

The previous prime is 13103339. The next prime is 13103341. The reversal of 13103340 is 4330131.

It is an interprime number because it is at equal distance from previous prime (13103339) and next prime (13103341).

It is a Harshad number since it is a multiple of its sum of digits (15).

It is not an unprimeable number, because it can be changed into a prime (13103341) 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, 109135 + ... + 109254.

It is an arithmetic number, because the mean of its divisors is an integer number (1528730).

Almost surely, 213103340 is an apocalyptic number.

13103340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13103340 is an abundant number, since it is smaller than the sum of its proper divisors (23586180).

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

13103340 is a wasteful number, since it uses less digits than its factorization.

13103340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 218401 (or 218399 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 13103340 is about 3619.8535881994. The cubic root of 13103340 is about 235.7548685208.

Adding to 13103340 its reverse (4330131), we get a palindrome (17433471).

The spelling of 13103340 in words is "thirteen million, one hundred three thousand, three hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 218389 436778 655167 873556 1091945 1310334 2183890 2620668 3275835 4367780 6551670 13103340