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13507426 = 215974229
BaseRepresentation
bin110011100001…
…101101100010
3221102020201001
4303201231202
511424214201
61201302214
7222545152
oct63415542
927366631
1013507426
117696369
12463496a
132a4c17a
141b18762
1512bc301
hexce1b62

13507426 has 8 divisors (see below), whose sum is σ = 20278620. Its totient is φ = 6747888.

The previous prime is 13507411. The next prime is 13507427. The reversal of 13507426 is 62470531.

13507426 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 2 ways, for example, as 12967201 + 540225 = 3601^2 + 735^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 13507394 and 13507403.

It is not an unprimeable number, because it can be changed into a prime (13507427) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1080 + ... + 5308.

Almost surely, 213507426 is an apocalyptic number.

13507426 is a deficient number, since it is larger than the sum of its proper divisors (6771194).

13507426 is a wasteful number, since it uses less digits than its factorization.

13507426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5828.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 13507426 is about 3675.2450258452. The cubic root of 13507426 is about 238.1538092006.

Adding to 13507426 its reverse (62470531), we get a palindrome (75977957).

The spelling of 13507426 in words is "thirteen million, five hundred seven thousand, four hundred twenty-six".

Divisors: 1 2 1597 3194 4229 8458 6753713 13507426