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30410213 = 149920287
BaseRepresentation
bin111010000000…
…0010111100101
32010012222222012
41310000113211
530241111323
63003444005
7516324341
oct164002745
963188865
1030410213
1116190709
12a226605
1363b9912
144078621
152a0a678
hex1d005e5

30410213 has 4 divisors (see below), whose sum is σ = 30432000. Its totient is φ = 30388428.

The previous prime is 30410201. The next prime is 30410227. The reversal of 30410213 is 31201403.

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: 31201403 = 98331741.

It is a cyclic number.

It is not a de Polignac number, because 30410213 - 24 = 30410197 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30410293) 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, 8645 + ... + 11642.

It is an arithmetic number, because the mean of its divisors is an integer number (7608000).

Almost surely, 230410213 is an apocalyptic number.

It is an amenable number.

30410213 is a deficient number, since it is larger than the sum of its proper divisors (21787).

30410213 is a wasteful number, since it uses less digits than its factorization.

30410213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21786.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 30410213 is about 5514.5455841801. The cubic root of 30410213 is about 312.1330964303.

Adding to 30410213 its reverse (31201403), we get a palindrome (61611616).

The spelling of 30410213 in words is "thirty million, four hundred ten thousand, two hundred thirteen".

Divisors: 1 1499 20287 30410213