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230304501 = 3273655627
BaseRepresentation
bin11011011101000…
…10101011110101
3121001100200101100
431232202223311
5432424221001
634504120313
75464361460
oct1556425365
9531320340
10230304501
111090011a9
1265166099
1338937a6b
14228302d7
1515343586
hexdba2af5

230304501 has 12 divisors (see below), whose sum is σ = 380185312. Its totient is φ = 131602536.

The previous prime is 230304479. The next prime is 230304541. The reversal of 230304501 is 105403032.

It is not a de Polignac number, because 230304501 - 29 = 230303989 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 (230304541) by changing a digit.

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, 1827751 + ... + 1827876.

Almost surely, 2230304501 is an apocalyptic number.

230304501 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

It is an amenable number.

230304501 is a deficient number, since it is larger than the sum of its proper divisors (149880811).

230304501 is a wasteful number, since it uses less digits than its factorization.

230304501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655640 (or 3655637 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 230304501 is about 15175.7866682423. The cubic root of 230304501 is about 612.9628330700.

Adding to 230304501 its reverse (105403032), we get a palindrome (335707533).

The spelling of 230304501 in words is "two hundred thirty million, three hundred four thousand, five hundred one".

Divisors: 1 3 7 9 21 63 3655627 10966881 25589389 32900643 76768167 230304501