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30302246 = 2131165471
BaseRepresentation
bin111001110011…
…0000000100110
32010000111212102
41303212000212
530224132441
63001252102
7515364512
oct163460046
963014772
1030302246
1116117587
12a194032
13637c730
14404b142
1529d869b
hex1ce6026

30302246 has 8 divisors (see below), whose sum is σ = 48949824. Its totient is φ = 13985640.

The previous prime is 30302219. The next prime is 30302249. The reversal of 30302246 is 64220303.

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

It is a super-2 number, since 2×303022462 = 1836452225289032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30302249) 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, 582710 + ... + 582761.

It is an arithmetic number, because the mean of its divisors is an integer number (6118728).

Almost surely, 230302246 is an apocalyptic number.

30302246 is a deficient number, since it is larger than the sum of its proper divisors (18647578).

30302246 is a wasteful number, since it uses less digits than its factorization.

30302246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1165486.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 30302246 is about 5504.7475873104. The cubic root of 30302246 is about 311.7632641499.

Adding to 30302246 its reverse (64220303), we get a palindrome (94522549).

The spelling of 30302246 in words is "thirty million, three hundred two thousand, two hundred forty-six".

Divisors: 1 2 13 26 1165471 2330942 15151123 30302246