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30080229 = 310026743
BaseRepresentation
bin111001010111…
…1110011100101
32002121020022120
41302233303211
530200031404
62552420153
7513451314
oct162576345
962536276
1030080229
1115a857a3
12a0a7659
13630266a
143dd027b
1529929d9
hex1cafce5

30080229 has 4 divisors (see below), whose sum is σ = 40106976. Its totient is φ = 20053484.

The previous prime is 30080227. The next prime is 30080233. The reversal of 30080229 is 92208003.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 92208003 = 330736001.

It is a cyclic number.

It is not a de Polignac number, because 30080229 - 21 = 30080227 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30080199 and 30080208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30080227) 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, 5013369 + ... + 5013374.

It is an arithmetic number, because the mean of its divisors is an integer number (10026744).

Almost surely, 230080229 is an apocalyptic number.

It is an amenable number.

30080229 is a deficient number, since it is larger than the sum of its proper divisors (10026747).

30080229 is a wasteful number, since it uses less digits than its factorization.

30080229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10026746.

The product of its (nonzero) digits is 864, while the sum is 24.

The square root of 30080229 is about 5484.5445572080. The cubic root of 30080229 is about 310.9999931073. Note that the first 5 decimals are identical.

The spelling of 30080229 in words is "thirty million, eighty thousand, two hundred twenty-nine".

Divisors: 1 3 10026743 30080229