Search a number
-
+
30230507 = 1571671153
BaseRepresentation
bin111001101010…
…0011111101011
32002212212110102
41303110133223
530214334012
62555540015
7514645406
oct163243753
962785412
1030230507
111607869a
12a15a60b
136355b98
14402cd3d
1529c22c2
hex1cd47eb

30230507 has 8 divisors (see below), whose sum is σ = 30631776. Its totient is φ = 29832192.

The previous prime is 30230503. The next prime is 30230513. The reversal of 30230507 is 70503203.

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 30230507 - 22 = 30230503 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30230503) 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, 25643 + ... + 26795.

It is an arithmetic number, because the mean of its divisors is an integer number (3828972).

Almost surely, 230230507 is an apocalyptic number.

30230507 is a deficient number, since it is larger than the sum of its proper divisors (401269).

30230507 is a wasteful number, since it uses less digits than its factorization.

30230507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1477.

The product of its (nonzero) digits is 630, while the sum is 20.

The square root of 30230507 is about 5498.2276235165. The cubic root of 30230507 is about 311.5170419408.

The spelling of 30230507 in words is "thirty million, two hundred thirty thousand, five hundred seven".

Divisors: 1 157 167 1153 26219 181021 192551 30230507