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30468635 = 5131181257
BaseRepresentation
bin111010000111…
…0101000011011
32010022222002222
41310032220123
530244444020
63005014255
7516656561
oct164165033
963288088
1030468635
111622059a
12a25438b
13640a3a2
144091a31
152a1cb25
hex1d0ea1b

30468635 has 16 divisors (see below), whose sum is σ = 37189152. Its totient is φ = 23961600.

The previous prime is 30468623. The next prime is 30468671. The reversal of 30468635 is 53686403.

It is not a de Polignac number, because 30468635 - 210 = 30467611 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30468595 and 30468604.

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 15 ways as a sum of consecutive naturals, for example, 118427 + ... + 118683.

It is an arithmetic number, because the mean of its divisors is an integer number (2324322).

Almost surely, 230468635 is an apocalyptic number.

30468635 is a deficient number, since it is larger than the sum of its proper divisors (6720517).

30468635 is a wasteful number, since it uses less digits than its factorization.

30468635 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 574.

The product of its (nonzero) digits is 51840, while the sum is 35.

The square root of 30468635 is about 5519.8401244964. The cubic root of 30468635 is about 312.3328514123.

The spelling of 30468635 in words is "thirty million, four hundred sixty-eight thousand, six hundred thirty-five".

Divisors: 1 5 131 181 257 655 905 1285 23711 33667 46517 118555 168335 232585 6093727 30468635