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230304508 = 22721769119
BaseRepresentation
bin11011011101000…
…10101011111100
3121001100200101121
431232202223330
5432424221013
634504120324
75464361500
oct1556425374
9531320347
10230304508
11109001205
12651660a4
1338937a75
1422830300
151534358d
hexdba2afc

230304508 has 36 divisors (see below), whose sum is σ = 496419840. Its totient is φ = 92894592.

The previous prime is 230304479. The next prime is 230304541. The reversal of 230304508 is 805403032.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 31228 + ... + 37891.

It is an arithmetic number, because the mean of its divisors is an integer number (13789440).

Almost surely, 2230304508 is an apocalyptic number.

230304508 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

230304508 is an abundant number, since it is smaller than the sum of its proper divisors (266115332).

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

230304508 is a wasteful number, since it uses less digits than its factorization.

230304508 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69154 (or 69145 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 230304508 is about 15175.7868988728. The cubic root of 230304508 is about 612.9628392803.

The spelling of 230304508 in words is "two hundred thirty million, three hundred four thousand, five hundred eight".

Divisors: 1 2 4 7 14 17 28 34 49 68 98 119 196 238 476 833 1666 3332 69119 138238 276476 483833 967666 1175023 1935332 2350046 3386831 4700092 6773662 8225161 13547324 16450322 32900644 57576127 115152254 230304508