Search a number
-
+
30245110 = 257432073
BaseRepresentation
bin111001101100…
…0000011110110
32002220121111021
41303120003312
530220320420
63000131354
7515036110
oct163300366
962817437
1030245110
1116088665
12a166b5a
13635c71c
1440343b0
1529c67aa
hex1cd80f6

30245110 has 16 divisors (see below), whose sum is σ = 62218656. Its totient is φ = 10369728.

The previous prime is 30245107. The next prime is 30245113. The reversal of 30245110 is 1154203.

It is an interprime number because it is at equal distance from previous prime (30245107) and next prime (30245113).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30245113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 215967 + ... + 216106.

It is an arithmetic number, because the mean of its divisors is an integer number (3888666).

Almost surely, 230245110 is an apocalyptic number.

30245110 is an abundant number, since it is smaller than the sum of its proper divisors (31973546).

30245110 is a wasteful number, since it uses less digits than its factorization.

30245110 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 432087.

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 30245110 is about 5499.5554365785. Note that the first 3 decimals coincide. The cubic root of 30245110 is about 311.5671938296.

Adding to 30245110 its reverse (1154203), we get a palindrome (31399313).

The spelling of 30245110 in words is "thirty million, two hundred forty-five thousand, one hundred ten".

Divisors: 1 2 5 7 10 14 35 70 432073 864146 2160365 3024511 4320730 6049022 15122555 30245110