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30339030 = 2351277963
BaseRepresentation
bin111001110111…
…0111111010110
32010002101022210
41303232333112
530231322110
63002134250
7515606661
oct163567726
963071283
1030339030
1116142187
12a1b1386
1363933b7
14405a6d8
1529e4520
hex1ceefd6

30339030 has 32 divisors (see below), whose sum is σ = 73396224. Its totient is φ = 8025696.

The previous prime is 30338993. The next prime is 30339041. The reversal of 30339030 is 3093303.

It is a junction number, because it is equal to n+sod(n) for n = 30338988 and 30339006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 172 + ... + 7791.

It is an arithmetic number, because the mean of its divisors is an integer number (2293632).

Almost surely, 230339030 is an apocalyptic number.

30339030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

30339030 is an abundant number, since it is smaller than the sum of its proper divisors (43057194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30339030 is a wasteful number, since it uses less digits than its factorization.

30339030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8100.

The product of its (nonzero) digits is 729, while the sum is 21.

The square root of 30339030 is about 5508.0876899338. The cubic root of 30339030 is about 311.8893633036.

The spelling of 30339030 in words is "thirty million, three hundred thirty-nine thousand, thirty".

Divisors: 1 2 3 5 6 10 15 30 127 254 381 635 762 1270 1905 3810 7963 15926 23889 39815 47778 79630 119445 238890 1011301 2022602 3033903 5056505 6067806 10113010 15169515 30339030