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13040064 = 263222639
BaseRepresentation
bin110001101111…
…100111000000
3220112111121100
4301233213000
511314240224
61143254400
7215560452
oct61574700
926474540
1013040064
1173a7214
12444a400
13291751b
141a362d2
151228ac9
hexc6f9c0

13040064 has 42 divisors (see below), whose sum is σ = 37378640. Its totient is φ = 4346496.

The previous prime is 13040059. The next prime is 13040081. The reversal of 13040064 is 46004031.

13040064 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 10744 + ... + 11895.

Almost surely, 213040064 is an apocalyptic number.

It is an amenable number.

13040064 is an abundant number, since it is smaller than the sum of its proper divisors (24338576).

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

13040064 is a wasteful number, since it uses less digits than its factorization.

13040064 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22657 (or 22644 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13040064 is about 3611.1028786231. The cubic root of 13040064 is about 235.3747694498.

Adding to 13040064 its reverse (46004031), we get a palindrome (59044095).

The spelling of 13040064 in words is "thirteen million, forty thousand, sixty-four".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 32 36 48 64 72 96 144 192 288 576 22639 45278 67917 90556 135834 181112 203751 271668 362224 407502 543336 724448 815004 1086672 1448896 1630008 2173344 3260016 4346688 6520032 13040064