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30030306 = 2333115121
BaseRepresentation
bin111001010001…
…1100111100010
32002111200211120
41302203213202
530141432211
62551353110
7513152625
oct162434742
962450746
1030030306
1115a51239
12a082796
1362b5a17
143db9dbc
152982d06
hex1ca39e2

30030306 has 16 divisors (see below), whose sum is σ = 60246048. Its totient is φ = 9979200.

The previous prime is 30030269. The next prime is 30030307. The reversal of 30030306 is 60303003.

It is not an unprimeable number, because it can be changed into a prime (30030307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5575 + ... + 9546.

It is an arithmetic number, because the mean of its divisors is an integer number (3765378).

Almost surely, 230030306 is an apocalyptic number.

30030306 is an abundant number, since it is smaller than the sum of its proper divisors (30215742).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

30030306 is a wasteful number, since it uses less digits than its factorization.

30030306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15457.

The product of its (nonzero) digits is 162, while the sum is 15.

The square root of 30030306 is about 5479.9914233510. The cubic root of 30030306 is about 310.8278462584.

Adding to 30030306 its reverse (60303003), we get a palindrome (90333309).

The spelling of 30030306 in words is "thirty million, thirty thousand, three hundred six".

Divisors: 1 2 3 6 331 662 993 1986 15121 30242 45363 90726 5005051 10010102 15015153 30030306