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30245435 = 51119103281
BaseRepresentation
bin111001101100…
…0001000111011
32002220121221022
41303120020323
530220323220
63000133055
7515040053
oct163301073
962817838
1030245435
1116088930
12a16718b
13635c90c
144034563
1529c6925
hex1cd823b

30245435 has 32 divisors (see below), whose sum is σ = 42232320. Its totient is φ = 20563200.

The previous prime is 30245419. The next prime is 30245441. The reversal of 30245435 is 53454203.

It is not a de Polignac number, because 30245435 - 24 = 30245419 is a prime.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 107495 + ... + 107775.

It is an arithmetic number, because the mean of its divisors is an integer number (1319760).

Almost surely, 230245435 is an apocalyptic number.

30245435 is a deficient number, since it is larger than the sum of its proper divisors (11986885).

30245435 is a wasteful number, since it uses less digits than its factorization.

30245435 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 419.

The product of its (nonzero) digits is 7200, while the sum is 26.

The square root of 30245435 is about 5499.5849843420. The cubic root of 30245435 is about 311.5683098114.

Adding to 30245435 its reverse (53454203), we get a palindrome (83699638).

The spelling of 30245435 in words is "thirty million, two hundred forty-five thousand, four hundred thirty-five".

Divisors: 1 5 11 19 55 95 103 209 281 515 1045 1133 1405 1957 3091 5339 5665 9785 15455 21527 26695 28943 58729 107635 144715 293645 318373 549917 1591865 2749585 6049087 30245435