Search a number
-
+
30386135 = 513467479
BaseRepresentation
bin111001111101…
…0011111010111
32010011202221102
41303322133113
530234324020
63003140315
7516164213
oct163723727
963152842
1030386135
111617460a
12a21469b
1363ab980
14406d943
152a03475
hex1cfa7d7

30386135 has 8 divisors (see below), whose sum is σ = 39268320. Its totient is φ = 22438944.

The previous prime is 30386129. The next prime is 30386137. The reversal of 30386135 is 53168303.

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 30386135 - 212 = 30382039 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30386098 and 30386107.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30386137) 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, 233675 + ... + 233804.

It is an arithmetic number, because the mean of its divisors is an integer number (4908540).

Almost surely, 230386135 is an apocalyptic number.

30386135 is a deficient number, since it is larger than the sum of its proper divisors (8882185).

30386135 is a wasteful number, since it uses less digits than its factorization.

30386135 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 467497.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 30386135 is about 5512.3620164137. The cubic root of 30386135 is about 312.0506951100.

The spelling of 30386135 in words is "thirty million, three hundred eighty-six thousand, one hundred thirty-five".

Divisors: 1 5 13 65 467479 2337395 6077227 30386135