Search a number
-
+
30500007 = 399110259
BaseRepresentation
bin111010001011…
…0010010100111
32010101120010220
41310112102213
530302000012
63005415423
7520150206
oct164262247
963346126
1030500007
111624211a
12a26a573
13641b755
14409d23d
152a2708c
hex1d164a7

30500007 has 8 divisors (see below), whose sum is σ = 40711680. Its totient is φ = 20310840.

The previous prime is 30500003. The next prime is 30500009. The reversal of 30500007 is 70000503.

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

It is not a de Polignac number, because 30500007 - 22 = 30500003 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30500003) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 2157 + ... + 8102.

It is an arithmetic number, because the mean of its divisors is an integer number (5088960).

Almost surely, 230500007 is an apocalyptic number.

30500007 is a deficient number, since it is larger than the sum of its proper divisors (10211673).

30500007 is a wasteful number, since it uses less digits than its factorization.

30500007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11253.

The product of its (nonzero) digits is 105, while the sum is 15.

The square root of 30500007 is about 5522.6811423438. The cubic root of 30500007 is about 312.4400123788.

The spelling of 30500007 in words is "thirty million, five hundred thousand, seven".

Divisors: 1 3 991 2973 10259 30777 10166669 30500007