Search a number
-
+
13537423 = 171734603
BaseRepresentation
bin110011101001…
…000010001111
3221110202212001
4303221002033
511431144143
61202053131
7223031464
oct63510217
927422761
1013537423
117706959
12464a1a7
132a5ca13
141b2566b
1512c614d
hexce908f

13537423 has 8 divisors (see below), whose sum is σ = 14419728. Its totient is φ = 12664704.

The previous prime is 13537411. The next prime is 13537427. The reversal of 13537423 is 32473531.

13537423 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13537423 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13537391 and 13537400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13537427) 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, 640 + ... + 5242.

It is an arithmetic number, because the mean of its divisors is an integer number (1802466).

Almost surely, 213537423 is an apocalyptic number.

13537423 is a deficient number, since it is larger than the sum of its proper divisors (882305).

13537423 is a wasteful number, since it uses less digits than its factorization.

13537423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4793.

The product of its digits is 7560, while the sum is 28.

The square root of 13537423 is about 3679.3237150324. The cubic root of 13537423 is about 238.3299744692.

The spelling of 13537423 in words is "thirteen million, five hundred thirty-seven thousand, four hundred twenty-three".

Divisors: 1 17 173 2941 4603 78251 796319 13537423