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13628803 = 61223423
BaseRepresentation
bin110011111111…
…010110000011
3221122102012111
4303333112003
511442110203
61204040151
7223562056
oct63772603
927572174
1013628803
117769581
124693057
132a924a6
141b4aa9d
1512e326d
hexcff583

13628803 has 4 divisors (see below), whose sum is σ = 13852288. Its totient is φ = 13405320.

The previous prime is 13628801. The next prime is 13628819. The reversal of 13628803 is 30882631.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13628803 - 21 = 13628801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13628801) 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, 111651 + ... + 111772.

It is an arithmetic number, because the mean of its divisors is an integer number (3463072).

Almost surely, 213628803 is an apocalyptic number.

13628803 is a deficient number, since it is larger than the sum of its proper divisors (223485).

13628803 is an equidigital number, since it uses as much as digits as its factorization.

13628803 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223484.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 13628803 is about 3691.7208724388. The cubic root of 13628803 is about 238.8650288611.

The spelling of 13628803 in words is "thirteen million, six hundred twenty-eight thousand, eight hundred three".

Divisors: 1 61 223423 13628803