Search a number
-
+
30553162 = 218184401
BaseRepresentation
bin111010010001…
…1010001001010
32010111021001121
41310203101022
530310200122
63010505454
7520461163
oct164432112
963437047
1030553162
1116279052
12a29528a
1364399c3
1440b476a
152a37bc7
hex1d2344a

30553162 has 8 divisors (see below), whose sum is σ = 46083492. Its totient is φ = 15192000.

The previous prime is 30553147. The next prime is 30553169. The reversal of 30553162 is 26135503.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 19722481 + 10830681 = 4441^2 + 3291^2 .

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

It is not an unprimeable number, because it can be changed into a prime (30553169) 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, 41839 + ... + 42562.

Almost surely, 230553162 is an apocalyptic number.

30553162 is a deficient number, since it is larger than the sum of its proper divisors (15530330).

30553162 is a wasteful number, since it uses less digits than its factorization.

30553162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84584.

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 30553162 is about 5527.4914744394. The cubic root of 30553162 is about 312.6214124494.

Adding to 30553162 its reverse (26135503), we get a palindrome (56688665).

The spelling of 30553162 in words is "thirty million, five hundred fifty-three thousand, one hundred sixty-two".

Divisors: 1 2 181 362 84401 168802 15276581 30553162