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230487848 = 2328810981
BaseRepresentation
bin11011011110011…
…11011100101000
3121001200222212222
431233033130220
5433001102343
634512053212
75466054143
oct1557173450
9531628788
10230487848
11109116a28
1265234208
13389a0356
142287b05a
151537ca68
hexdbcf728

230487848 has 8 divisors (see below), whose sum is σ = 432164730. Its totient is φ = 115243920.

The previous prime is 230487827. The next prime is 230487857. The reversal of 230487848 is 848784032.

It can be written as a sum of positive squares in only one way, i.e., 222546724 + 7941124 = 14918^2 + 2818^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×2304878482 = 106249296151342208, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 230487799 and 230487808.

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 as a sum of consecutive naturals, namely, 14405483 + ... + 14405498.

Almost surely, 2230487848 is an apocalyptic number.

It is an amenable number.

230487848 is a deficient number, since it is larger than the sum of its proper divisors (201676882).

230487848 is a wasteful number, since it uses less digits than its factorization.

230487848 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28810987 (or 28810983 counting only the distinct ones).

The product of its (nonzero) digits is 344064, while the sum is 44.

The square root of 230487848 is about 15181.8262406076. The cubic root of 230487848 is about 613.1254512354.

The spelling of 230487848 in words is "two hundred thirty million, four hundred eighty-seven thousand, eight hundred forty-eight".

Divisors: 1 2 4 8 28810981 57621962 115243924 230487848