Search a number
-
+
30107306 = 217885509
BaseRepresentation
bin111001011011…
…0011010101010
32002122121110102
41302312122222
530201413211
62553145402
7513623255
oct162663252
962577412
1030107306
1115aa4079
12a0bb262
136311a98
143dda09c
15299aa3b
hex1cb66aa

30107306 has 8 divisors (see below), whose sum is σ = 47817540. Its totient is φ = 14168128.

The previous prime is 30107303. The next prime is 30107309. The reversal of 30107306 is 60370103.

It is an interprime number because it is at equal distance from previous prime (30107303) and next prime (30107309).

It can be written as a sum of positive squares in 2 ways, for example, as 29866225 + 241081 = 5465^2 + 491^2 .

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

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (30107303) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 442721 + ... + 442788.

Almost surely, 230107306 is an apocalyptic number.

30107306 is a deficient number, since it is larger than the sum of its proper divisors (17710234).

30107306 is a wasteful number, since it uses less digits than its factorization.

30107306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885528.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 30107306 is about 5487.0124840390. The cubic root of 30107306 is about 311.0932816407.

Adding to 30107306 its reverse (60370103), we get a palindrome (90477409).

The spelling of 30107306 in words is "thirty million, one hundred seven thousand, three hundred six".

Divisors: 1 2 17 34 885509 1771018 15053653 30107306