Search a number
-
+
13454436 = 2231121203
BaseRepresentation
bin110011010100…
…110001100100
3221022120000110
4303110301210
511421020221
61200213020
7222234522
oct63246144
927276013
1013454436
11765a576
12460a170
132a31008
141b03312
1512ab776
hexcd4c64

13454436 has 12 divisors (see below), whose sum is σ = 31393712. Its totient is φ = 4484808.

The previous prime is 13454423. The next prime is 13454443. The reversal of 13454436 is 63445431.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 560590 + ... + 560613.

Almost surely, 213454436 is an apocalyptic number.

It is an amenable number.

13454436 is an abundant number, since it is smaller than the sum of its proper divisors (17939276).

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

13454436 is a wasteful number, since it uses less digits than its factorization.

13454436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1121210 (or 1121208 counting only the distinct ones).

The product of its digits is 17280, while the sum is 30.

The square root of 13454436 is about 3668.0288984685. The cubic root of 13454436 is about 237.8419731044.

Adding to 13454436 its reverse (63445431), we get a palindrome (76899867).

The spelling of 13454436 in words is "thirteen million, four hundred fifty-four thousand, four hundred thirty-six".

Divisors: 1 2 3 4 6 12 1121203 2242406 3363609 4484812 6727218 13454436