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30212330 = 258233671
BaseRepresentation
bin111001101000…
…0000011101010
32002211221112012
41303100003222
530213243310
62555315522
7514541411
oct163200352
962757465
1030212330
1116065a75
12a14bba2
13634a825
144026478
1529bbc05
hex1cd00ea

30212330 has 16 divisors (see below), whose sum is σ = 54463104. Its totient is φ = 12066960.

The previous prime is 30212323. The next prime is 30212333. The reversal of 30212330 is 3321203.

It is not an unprimeable number, because it can be changed into a prime (30212333) 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 7 ways as a sum of consecutive naturals, for example, 6395 + ... + 10065.

It is an arithmetic number, because the mean of its divisors is an integer number (3403944).

Almost surely, 230212330 is an apocalyptic number.

30212330 is a deficient number, since it is larger than the sum of its proper divisors (24250774).

30212330 is a wasteful number, since it uses less digits than its factorization.

30212330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4501.

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 30212330 is about 5496.5743877437. The cubic root of 30212330 is about 311.4545930978.

Adding to 30212330 its reverse (3321203), we get a palindrome (33533533).

The spelling of 30212330 in words is "thirty million, two hundred twelve thousand, three hundred thirty".

Divisors: 1 2 5 10 823 1646 3671 4115 7342 8230 18355 36710 3021233 6042466 15106165 30212330