Search a number
-
+
30150189 = 323350021
BaseRepresentation
bin111001100000…
…0111000101101
32002201210021200
41303000320231
530204301224
62554120113
7514162266
oct163007055
962653250
1030150189
1116023313
12a120039
136328464
14400b96d
1529a85c9
hex1cc0e2d

30150189 has 6 divisors (see below), whose sum is σ = 43550286. Its totient is φ = 20100120.

The previous prime is 30150179. The next prime is 30150191. The reversal of 30150189 is 98105103.

It can be written as a sum of positive squares in only one way, i.e., 26347689 + 3802500 = 5133^2 + 1950^2 .

It is not a de Polignac number, because 30150189 - 24 = 30150173 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30150179) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1675002 + ... + 1675019.

It is an arithmetic number, because the mean of its divisors is an integer number (7258381).

Almost surely, 230150189 is an apocalyptic number.

It is an amenable number.

30150189 is a deficient number, since it is larger than the sum of its proper divisors (13400097).

30150189 is a wasteful number, since it uses less digits than its factorization.

30150189 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3350027 (or 3350024 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 27.

The square root of 30150189 is about 5490.9187755785. The cubic root of 30150189 is about 311.2409123006.

The spelling of 30150189 in words is "thirty million, one hundred fifty thousand, one hundred eighty-nine".

Divisors: 1 3 9 3350021 10050063 30150189