Search a number
-
+
30230110 = 253781703
BaseRepresentation
bin111001101010…
…0011001011110
32002212211220201
41303110121132
530214330420
62555534114
7514644301
oct163243136
962784821
1030230110
1116078369
12a15a33a
136355951
14402cb38
1529c210a
hex1cd465e

30230110 has 16 divisors (see below), whose sum is σ = 55885536. Its totient is φ = 11765088.

The previous prime is 30230107. The next prime is 30230111. The reversal of 30230110 is 1103203.

It is a super-2 number, since 2×302301102 = 1827719101224200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (10).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230111) 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, 40482 + ... + 41221.

It is an arithmetic number, because the mean of its divisors is an integer number (3492846).

Almost surely, 230230110 is an apocalyptic number.

30230110 is a deficient number, since it is larger than the sum of its proper divisors (25655426).

30230110 is a wasteful number, since it uses less digits than its factorization.

30230110 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81747.

The product of its (nonzero) digits is 18, while the sum is 10.

The square root of 30230110 is about 5498.1915208548. The cubic root of 30230110 is about 311.5156782763.

Adding to 30230110 its reverse (1103203), we get a palindrome (31333313).

The spelling of 30230110 in words is "thirty million, two hundred thirty thousand, one hundred ten".

Divisors: 1 2 5 10 37 74 185 370 81703 163406 408515 817030 3023011 6046022 15115055 30230110