Search a number
-
+
13403453 = 712715077
BaseRepresentation
bin110011001000…
…010100111101
3221012222002012
4303020110331
511412402303
61155141005
7221633060
oct63102475
927188065
1013403453
117625238
1245a4765
132a13a4b
141acc8d7
15129b5d8
hexcc853d

13403453 has 8 divisors (see below), whose sum is σ = 15439872. Its totient is φ = 11397456.

The previous prime is 13403449. The next prime is 13403461. The reversal of 13403453 is 35430431.

13403453 is digitally balanced in base 2 and base 8, because in such bases 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 not a de Polignac number, because 13403453 - 22 = 13403449 is a prime.

13403453 is strictly pandigital in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13403483) 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, 6650 + ... + 8427.

It is an arithmetic number, because the mean of its divisors is an integer number (1929984).

Almost surely, 213403453 is an apocalyptic number.

It is an amenable number.

13403453 is a deficient number, since it is larger than the sum of its proper divisors (2036419).

13403453 is a wasteful number, since it uses less digits than its factorization.

13403453 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15211.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 13403453 is about 3661.0726570228. The cubic root of 13403453 is about 237.5411740249.

Adding to 13403453 its reverse (35430431), we get a palindrome (48833884).

The spelling of 13403453 in words is "thirteen million, four hundred three thousand, four hundred fifty-three".

Divisors: 1 7 127 889 15077 105539 1914779 13403453