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13034445 = 352337781
BaseRepresentation
bin110001101110…
…001111001101
3220112012220020
4301232033031
511314100240
61143212353
7215535204
oct61561715
926465806
1013034445
1173a2a76
1244470b9
132914ab8
141a3423b
1512270d0
hexc6e3cd

13034445 has 16 divisors (see below), whose sum is σ = 21762432. Its totient is φ = 6649280.

The previous prime is 13034443. The next prime is 13034459. The reversal of 13034445 is 54443031.

It is not a de Polignac number, because 13034445 - 21 = 13034443 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13034443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18546 + ... + 19235.

It is an arithmetic number, because the mean of its divisors is an integer number (1360152).

Almost surely, 213034445 is an apocalyptic number.

13034445 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13034445 is a deficient number, since it is larger than the sum of its proper divisors (8727987).

13034445 is a wasteful number, since it uses less digits than its factorization.

13034445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37812.

The product of its (nonzero) digits is 2880, while the sum is 24.

The square root of 13034445 is about 3610.3247776343. The cubic root of 13034445 is about 235.3409567109.

Adding to 13034445 its reverse (54443031), we get a palindrome (67477476).

The spelling of 13034445 in words is "thirteen million, thirty-four thousand, four hundred forty-five".

Divisors: 1 3 5 15 23 69 115 345 37781 113343 188905 566715 868963 2606889 4344815 13034445