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30030292 = 2259127247
BaseRepresentation
bin111001010001…
…1100111010100
32002111200211001
41302203213110
530141432132
62551353044
7513152605
oct162434724
962450731
1030030292
1115a51226
12a082784
1362b5a06
143db9dac
152982ce7
hex1ca39d4

30030292 has 12 divisors (see below), whose sum is σ = 53444160. Its totient is φ = 14760536.

The previous prime is 30030269. The next prime is 30030307. The reversal of 30030292 is 29203003.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 63388 + ... + 63859.

It is an arithmetic number, because the mean of its divisors is an integer number (4453680).

Almost surely, 230030292 is an apocalyptic number.

It is an amenable number.

30030292 is a deficient number, since it is larger than the sum of its proper divisors (23413868).

30030292 is a wasteful number, since it uses less digits than its factorization.

30030292 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127310 (or 127308 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 30030292 is about 5479.9901459765. The cubic root of 30030292 is about 310.8277979561.

Adding to 30030292 its reverse (29203003), we get a palindrome (59233295).

The spelling of 30030292 in words is "thirty million, thirty thousand, two hundred ninety-two".

Divisors: 1 2 4 59 118 236 127247 254494 508988 7507573 15015146 30030292