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30339285 = 352022619
BaseRepresentation
bin111001110111…
…1000011010101
32010002101200020
41303233003111
530231324120
63002135353
7515610504
oct163570325
963071606
1030339285
1116142399
12a1b1559
136393552
14405a83b
1529e4640
hex1cef0d5

30339285 has 8 divisors (see below), whose sum is σ = 48542880. Its totient is φ = 16180944.

The previous prime is 30339269. The next prime is 30339293. The reversal of 30339285 is 58293303.

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

It is not a de Polignac number, because 30339285 - 24 = 30339269 is a prime.

It is a super-2 number, since 2×303392852 = 1840944428622450, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1011295 + ... + 1011324.

It is an arithmetic number, because the mean of its divisors is an integer number (6067860).

Almost surely, 230339285 is an apocalyptic number.

It is an amenable number.

30339285 is a deficient number, since it is larger than the sum of its proper divisors (18203595).

30339285 is a wasteful number, since it uses less digits than its factorization.

30339285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2022627.

The product of its (nonzero) digits is 19440, while the sum is 33.

The square root of 30339285 is about 5508.1108376648. The cubic root of 30339285 is about 311.8902371127.

The spelling of 30339285 in words is "thirty million, three hundred thirty-nine thousand, two hundred eighty-five".

Divisors: 1 3 5 15 2022619 6067857 10113095 30339285