Search a number
-
+
30211514 = 2137110261
BaseRepresentation
bin111001100111…
…1110110111010
32002211220101222
41303033312322
530213232024
62555312042
7514536134
oct163176672
962756358
1030211514
11160653a3
12a14b622
13634a348
144026054
1529bb85e
hex1ccfdba

30211514 has 8 divisors (see below), whose sum is σ = 45648468. Its totient is φ = 14995360.

The previous prime is 30211487. The next prime is 30211529. The reversal of 30211514 is 41511203.

It can be written as a sum of positive squares in 2 ways, for example, as 30063289 + 148225 = 5483^2 + 385^2 .

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

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 30211492 and 30211501.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54857 + ... + 55404.

Almost surely, 230211514 is an apocalyptic number.

30211514 is a deficient number, since it is larger than the sum of its proper divisors (15436954).

30211514 is a wasteful number, since it uses less digits than its factorization.

30211514 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110400.

The product of its (nonzero) digits is 120, while the sum is 17.

The square root of 30211514 is about 5496.5001591922. The cubic root of 30211514 is about 311.4517890635.

Adding to 30211514 its reverse (41511203), we get a palindrome (71722717).

The spelling of 30211514 in words is "thirty million, two hundred eleven thousand, five hundred fourteen".

Divisors: 1 2 137 274 110261 220522 15105757 30211514