Search a number
-
+
13303789 = 103227569
BaseRepresentation
bin110010101111…
…111111101101
3221000220100221
4302233333231
511401210124
61153051341
7221036362
oct62577755
927026327
1013303789
117567374
124556b51
1329aa585
141aa4469
15127bce4
hexcaffed

13303789 has 8 divisors (see below), whose sum is σ = 13515840. Its totient is φ = 13093536.

The previous prime is 13303783. The next prime is 13303799. The reversal of 13303789 is 98730331.

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 13303789 - 215 = 13271021 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 (13303783) 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, 23097 + ... + 23665.

It is an arithmetic number, because the mean of its divisors is an integer number (1689480).

Almost surely, 213303789 is an apocalyptic number.

It is an amenable number.

13303789 is a deficient number, since it is larger than the sum of its proper divisors (212051).

13303789 is a wasteful number, since it uses less digits than its factorization.

13303789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899.

The product of its (nonzero) digits is 13608, while the sum is 34.

The square root of 13303789 is about 3647.4359487179. The cubic root of 13303789 is about 236.9509473751.

The spelling of 13303789 in words is "thirteen million, three hundred three thousand, seven hundred eighty-nine".

Divisors: 1 103 227 569 23381 58607 129163 13303789