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30245411 = 713132983
BaseRepresentation
bin111001101100…
…0001000100011
32002220121220102
41303120020203
530220323121
63000133015
7515040020
oct163301043
962817812
1030245411
1116088909
12a16716b
13635c8c1
144034547
1529c690b
hex1cd8223

30245411 has 8 divisors (see below), whose sum is σ = 34831104. Its totient is φ = 25725960.

The previous prime is 30245407. The next prime is 30245419. The reversal of 30245411 is 11454203.

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 30245411 - 22 = 30245407 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30245419) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15575 + ... + 17408.

It is an arithmetic number, because the mean of its divisors is an integer number (4353888).

Almost surely, 230245411 is an apocalyptic number.

30245411 is a deficient number, since it is larger than the sum of its proper divisors (4585693).

30245411 is a wasteful number, since it uses less digits than its factorization.

30245411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33121.

The product of its (nonzero) digits is 480, while the sum is 20.

The square root of 30245411 is about 5499.5828023587. The cubic root of 30245411 is about 311.5682274007.

Adding to 30245411 its reverse (11454203), we get a palindrome (41699614).

The spelling of 30245411 in words is "thirty million, two hundred forty-five thousand, four hundred eleven".

Divisors: 1 7 131 917 32983 230881 4320773 30245411