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30504230 = 2529293359
BaseRepresentation
bin111010001011…
…1010100100110
32010101202221022
41310113110212
530302113410
63005451142
7520165421
oct164272446
963352838
1030504230
1116245309
12a270ab2
136420653
1440a09b8
152a28455
hex1d17526

30504230 has 32 divisors (see below), whose sum is σ = 57153600. Its totient is φ = 11708032.

The previous prime is 30504223. The next prime is 30504241. The reversal of 30504230 is 3240503.

It is a junction number, because it is equal to n+sod(n) for n = 30504199 and 30504208.

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 15 ways as a sum of consecutive naturals, for example, 84791 + ... + 85149.

It is an arithmetic number, because the mean of its divisors is an integer number (1786050).

Almost surely, 230504230 is an apocalyptic number.

30504230 is a deficient number, since it is larger than the sum of its proper divisors (26649370).

30504230 is a wasteful number, since it uses less digits than its factorization.

30504230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688.

The product of its (nonzero) digits is 360, while the sum is 17.

The square root of 30504230 is about 5523.0634615221. The cubic root of 30504230 is about 312.4544317556.

Adding to 30504230 its reverse (3240503), we get a palindrome (33744733).

The spelling of 30504230 in words is "thirty million, five hundred four thousand, two hundred thirty".

Divisors: 1 2 5 10 29 58 145 290 293 359 586 718 1465 1795 2930 3590 8497 10411 16994 20822 42485 52055 84970 104110 105187 210374 525935 1051870 3050423 6100846 15252115 30504230