Search a number
-
+
13551983 = 711631171
BaseRepresentation
bin110011101100…
…100101101111
3221111111211022
4303230211233
511432130413
61202244355
7223122104
oct63544557
927444738
1013551983
117716895
1246566bb
132a66533
141b2aaab
1512ca608
hexcec96f

13551983 has 8 divisors (see below), whose sum is σ = 13838976. Its totient is φ = 13267800.

The previous prime is 13551971. The next prime is 13552001. The reversal of 13551983 is 38915531.

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 13551983 - 26 = 13551919 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13551913) 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, 10988 + ... + 12158.

It is an arithmetic number, because the mean of its divisors is an integer number (1729872).

Almost surely, 213551983 is an apocalyptic number.

13551983 is a deficient number, since it is larger than the sum of its proper divisors (286993).

13551983 is a wasteful number, since it uses less digits than its factorization.

13551983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1405.

The product of its digits is 16200, while the sum is 35.

The square root of 13551983 is about 3681.3018077848. The cubic root of 13551983 is about 238.4153880939.

The spelling of 13551983 in words is "thirteen million, five hundred fifty-one thousand, nine hundred eighty-three".

Divisors: 1 71 163 1171 11573 83141 190873 13551983