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605513830 = 25417320231
BaseRepresentation
bin100100000101110…
…110100001100110
31120012101021211011
4210011312201212
52220002420310
6140030132434
721001532305
oct4405664146
91505337734
10605513830
11290884559
1214a95111a
13985a950c
145a5c043c
153825b78a
hex24176866

605513830 has 32 divisors (see below), whose sum is σ = 1131859008. Its totient is φ = 233049600.

The previous prime is 605513827. The next prime is 605513879. The reversal of 605513830 is 38315506.

It is a junction number, because it is equal to n+sod(n) for n = 605513792 and 605513801.

It is a congruent number.

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, 19815 + ... + 40045.

It is an arithmetic number, because the mean of its divisors is an integer number (35370594).

Almost surely, 2605513830 is an apocalyptic number.

605513830 is a deficient number, since it is larger than the sum of its proper divisors (526345178).

605513830 is a wasteful number, since it uses less digits than its factorization.

605513830 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20352.

The product of its (nonzero) digits is 10800, while the sum is 31.

The square root of 605513830 is about 24607.1906157529. The cubic root of 605513830 is about 846.0084269085.

The spelling of 605513830 in words is "six hundred five million, five hundred thirteen thousand, eight hundred thirty".

Divisors: 1 2 5 10 41 73 82 146 205 365 410 730 2993 5986 14965 20231 29930 40462 101155 202310 829471 1476863 1658942 2953726 4147355 7384315 8294710 14768630 60551383 121102766 302756915 605513830