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30344661 = 323679187
BaseRepresentation
bin111001111000…
…0010111010101
32010002200001100
41303300113111
530232012121
63002220313
7515632254
oct163602725
963080040
1030344661
1116146436
12a1b4699
136395b29
14405c79b
1529e6026
hex1cf05d5

30344661 has 12 divisors (see below), whose sum is σ = 43955392. Its totient is φ = 20172456.

The previous prime is 30344651. The next prime is 30344663. The reversal of 30344661 is 16644303.

It is not a de Polignac number, because 30344661 - 27 = 30344533 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 (30344663) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1291 + ... + 7896.

Almost surely, 230344661 is an apocalyptic number.

It is an amenable number.

30344661 is a deficient number, since it is larger than the sum of its proper divisors (13610731).

30344661 is a wasteful number, since it uses less digits than its factorization.

30344661 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9560 (or 9557 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 30344661 is about 5508.5988236574. The cubic root of 30344661 is about 311.9086579257.

Adding to 30344661 its reverse (16644303), we get a palindrome (46988964).

The spelling of 30344661 in words is "thirty million, three hundred forty-four thousand, six hundred sixty-one".

Divisors: 1 3 9 367 1101 3303 9187 27561 82683 3371629 10114887 30344661