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13553923 = 232572293
BaseRepresentation
bin110011101101…
…000100000011
3221111121111011
4303231010003
511432211143
61202301351
7223130545
oct63550403
927447434
1013553923
117718299
124657857
132a67396
141b2b695
1512cae9d
hexced103

13553923 has 8 divisors (see below), whose sum is σ = 14204448. Its totient is φ = 12908544.

The previous prime is 13553909. The next prime is 13553957. The reversal of 13553923 is 32935531.

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

It is a cyclic number.

It is not a de Polignac number, because 13553923 - 221 = 11456771 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13553123) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 4765 + ... + 7057.

It is an arithmetic number, because the mean of its divisors is an integer number (1775556).

Almost surely, 213553923 is an apocalyptic number.

13553923 is a deficient number, since it is larger than the sum of its proper divisors (650525).

13553923 is a wasteful number, since it uses less digits than its factorization.

13553923 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2573.

The product of its digits is 12150, while the sum is 31.

The square root of 13553923 is about 3681.5652921006. The cubic root of 13553923 is about 238.4267641359.

The spelling of 13553923 in words is "thirteen million, five hundred fifty-three thousand, nine hundred twenty-three".

Divisors: 1 23 257 2293 5911 52739 589301 13553923