Search a number
-
+
13415442 = 232235907
BaseRepresentation
bin110011001011…
…010000010010
3221020120112020
4303023100102
511413243232
61155312310
7222013035
oct63132022
927216466
1013415442
117633247
1245ab696
132a19341
141ad301c
15129ee2c
hexccb412

13415442 has 8 divisors (see below), whose sum is σ = 26830896. Its totient is φ = 4471812.

The previous prime is 13415411. The next prime is 13415447. The reversal of 13415442 is 24451431.

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

13415442 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13415447) 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, 1117948 + ... + 1117959.

It is an arithmetic number, because the mean of its divisors is an integer number (3353862).

Almost surely, 213415442 is an apocalyptic number.

13415442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13415442 is a wasteful number, since it uses less digits than its factorization.

13415442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2235912.

The product of its digits is 1920, while the sum is 24.

The square root of 13415442 is about 3662.7096527025. The cubic root of 13415442 is about 237.6119774823.

Adding to 13415442 its reverse (24451431), we get a palindrome (37866873).

It can be divided in two parts, 134 and 15442, that added together give a triangular number (15576 = T176).

The spelling of 13415442 in words is "thirteen million, four hundred fifteen thousand, four hundred forty-two".

Divisors: 1 2 3 6 2235907 4471814 6707721 13415442