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30704009 = 743110177
BaseRepresentation
bin111010100100…
…0000110001001
32010202220222112
41311020012021
530330012014
63014032105
7521660030
oct165100611
963686875
1030704009
1116371416
12a348635
13649056b
144113717
152a6773e
hex1d48189

30704009 has 8 divisors (see below), whose sum is σ = 35175168. Its totient is φ = 26254080.

The previous prime is 30703997. The next prime is 30704033. The reversal of 30704009 is 90040703.

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

It is a cyclic number.

It is not a de Polignac number, because 30704009 - 24 = 30703993 is a prime.

It is not an unprimeable number, because it can be changed into a prime (30704059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2072 + ... + 8105.

It is an arithmetic number, because the mean of its divisors is an integer number (4396896).

Almost surely, 230704009 is an apocalyptic number.

It is an amenable number.

30704009 is a deficient number, since it is larger than the sum of its proper divisors (4471159).

30704009 is a wasteful number, since it uses less digits than its factorization.

30704009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10615.

The product of its (nonzero) digits is 756, while the sum is 23.

The square root of 30704009 is about 5541.1198326692. The cubic root of 30704009 is about 313.1350592848.

The spelling of 30704009 in words is "thirty million, seven hundred four thousand, nine".

Divisors: 1 7 431 3017 10177 71239 4386287 30704009