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230248307 = 1180719501
BaseRepresentation
bin11011011100101…
…00111101110011
3121001020211022002
431232110331303
5432420421212
634503004215
75464035602
oct1556247563
9531224262
10230248307
11108a72a63
126513966b
1338918303
1422817a39
1515331ac2
hexdb94f73

230248307 has 4 divisors (see below), whose sum is σ = 230279616. Its totient is φ = 230217000.

The previous prime is 230248303. The next prime is 230248349. The reversal of 230248307 is 703842032.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 230248307 - 22 = 230248303 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 230248307.

It is not an unprimeable number, because it can be changed into a prime (230248301) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2057 + ... + 21557.

It is an arithmetic number, because the mean of its divisors is an integer number (57569904).

Almost surely, 2230248307 is an apocalyptic number.

230248307 is a deficient number, since it is larger than the sum of its proper divisors (31309).

230248307 is a wasteful number, since it uses less digits than its factorization.

230248307 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31308.

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 230248307 is about 15173.9351191443. The cubic root of 230248307 is about 612.9129749689.

The spelling of 230248307 in words is "two hundred thirty million, two hundred forty-eight thousand, three hundred seven".

Divisors: 1 11807 19501 230248307