[go: up one dir, main page]

Search a number
-
+
30107427 = 375472621
BaseRepresentation
bin111001011011…
…0011100100011
32002122121121220
41302312130203
530201414202
62553150123
7513623520
oct162663443
962577556
1030107427
1115aa4179
12a0bb343
136311b5c
143dda147
15299aabc
hex1cb6723

30107427 has 16 divisors (see below), whose sum is σ = 45979392. Its totient is φ = 17166240.

The previous prime is 30107383. The next prime is 30107431. The reversal of 30107427 is 72470103.

It is not a de Polignac number, because 30107427 - 210 = 30106403 is a prime.

It is a plaindrome in base 15.

It is a junction number, because it is equal to n+sod(n) for n = 30107397 and 30107406.

It is not an unprimeable number, because it can be changed into a prime (30107447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10177 + ... + 12797.

It is an arithmetic number, because the mean of its divisors is an integer number (2873712).

Almost surely, 230107427 is an apocalyptic number.

30107427 is a deficient number, since it is larger than the sum of its proper divisors (15871965).

30107427 is a wasteful number, since it uses less digits than its factorization.

30107427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3178.

The product of its (nonzero) digits is 1176, while the sum is 24.

The square root of 30107427 is about 5487.0235100645. The cubic root of 30107427 is about 311.0936983971.

The spelling of 30107427 in words is "thirty million, one hundred seven thousand, four hundred twenty-seven".

Divisors: 1 3 7 21 547 1641 2621 3829 7863 11487 18347 55041 1433687 4301061 10035809 30107427