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13425746 = 237397457
BaseRepresentation
bin110011001101…
…110001010010
3221021002122212
4303031301102
511414110441
61155432122
7222055055
oct63156122
927232585
1013425746
11763aa64
1245b5642
132a20c39
141ad6a9c
1512a2eeb
hexccdc52

13425746 has 16 divisors (see below), whose sum is σ = 20780376. Its totient is φ = 6500736.

The previous prime is 13425707. The next prime is 13425749. The reversal of 13425746 is 64752431.

13425746 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 13213225 + 212521 = 3635^2 + 461^2 .

It is not an unprimeable number, because it can be changed into a prime (13425749) 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, 29150 + ... + 29606.

Almost surely, 213425746 is an apocalyptic number.

13425746 is a deficient number, since it is larger than the sum of its proper divisors (7354630).

13425746 is a wasteful number, since it uses less digits than its factorization.

13425746 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 893.

The product of its digits is 20160, while the sum is 32.

The square root of 13425746 is about 3664.1159916138. The cubic root of 13425746 is about 237.6727961332.

It can be divided in two parts, 13425 and 746, that multiplied together give a triangular number (10015050 = T4475).

The spelling of 13425746 in words is "thirteen million, four hundred twenty-five thousand, seven hundred forty-six".

Divisors: 1 2 37 74 397 457 794 914 14689 16909 29378 33818 181429 362858 6712873 13425746