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30253011 = 361165317
BaseRepresentation
bin111001101100…
…1111111010011
32002221000022220
41303121333103
530221044021
63000232123
7515101125
oct163317723
962830286
1030253011
1116093598
12a16b643
1363631b9
144037215
1529c8cc6
hex1cd9fd3

30253011 has 8 divisors (see below), whose sum is σ = 40998864. Its totient is φ = 19837920.

The previous prime is 30252991. The next prime is 30253019. The reversal of 30253011 is 11035203.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 30253011 - 26 = 30252947 is a prime.

It is a super-2 number, since 2×302530112 = 1830489349132242, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (30253019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 82476 + ... + 82841.

It is an arithmetic number, because the mean of its divisors is an integer number (5124858).

Almost surely, 230253011 is an apocalyptic number.

30253011 is a deficient number, since it is larger than the sum of its proper divisors (10745853).

30253011 is a wasteful number, since it uses less digits than its factorization.

30253011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165381.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 30253011 is about 5500.2737204616. The cubic root of 30253011 is about 311.5943219403.

Adding to 30253011 its reverse (11035203), we get a palindrome (41288214).

The spelling of 30253011 in words is "thirty million, two hundred fifty-three thousand, eleven".

Divisors: 1 3 61 183 165317 495951 10084337 30253011