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30704007 = 310234669
BaseRepresentation
bin111010100100…
…0000110000111
32010202220222110
41311020012013
530330012012
63014032103
7521660025
oct165100607
963686873
1030704007
1116371414
12a348633
136490569
144113715
152a6773c
hex1d48187

30704007 has 4 divisors (see below), whose sum is σ = 40938680. Its totient is φ = 20469336.

The previous prime is 30703997. The next prime is 30704033. The reversal of 30704007 is 70040703.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70040703 = 323346901.

It is not a de Polignac number, because 30704007 - 210 = 30702983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10704007) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5117332 + ... + 5117337.

It is an arithmetic number, because the mean of its divisors is an integer number (10234670).

Almost surely, 230704007 is an apocalyptic number.

30704007 is a deficient number, since it is larger than the sum of its proper divisors (10234673).

30704007 is a wasteful number, since it uses less digits than its factorization.

30704007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10234672.

The product of its (nonzero) digits is 588, while the sum is 21.

The square root of 30704007 is about 5541.1196522003. The cubic root of 30704007 is about 313.1350524858.

The spelling of 30704007 in words is "thirty million, seven hundred four thousand, seven".

Divisors: 1 3 10234669 30704007