Search a number
-
+
13462421 = 71923203
BaseRepresentation
bin110011010110…
…101110010101
3221022221222012
4303112232111
511421244141
61200314005
7222300020
oct63265625
927287865
1013462421
117665575
124612905
132a3483b
141b061b7
1512adceb
hexcd6b95

13462421 has 4 divisors (see below), whose sum is σ = 15385632. Its totient is φ = 11539212.

The previous prime is 13462399. The next prime is 13462439. The reversal of 13462421 is 12426431.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 13462421 - 26 = 13462357 is a prime.

It is a super-3 number, since 3×134624213 (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13462451) 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, 961595 + ... + 961608.

It is an arithmetic number, because the mean of its divisors is an integer number (3846408).

Almost surely, 213462421 is an apocalyptic number.

It is an amenable number.

13462421 is a deficient number, since it is larger than the sum of its proper divisors (1923211).

13462421 is an equidigital number, since it uses as much as digits as its factorization.

13462421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1923210.

The product of its digits is 1152, while the sum is 23.

The square root of 13462421 is about 3669.1171962749. The cubic root of 13462421 is about 237.8890156454.

Adding to 13462421 its reverse (12426431), we get a palindrome (25888852).

The spelling of 13462421 in words is "thirteen million, four hundred sixty-two thousand, four hundred twenty-one".

Divisors: 1 7 1923203 13462421