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230230148 = 22139414083
BaseRepresentation
bin11011011100100…
…00100010000100
3121001012220101112
431232100202010
5432414331043
634502344152
75463631631
oct1556204204
9531186345
10230230148
11108a60355
126512b058
133890cc75
1422811188
151532b518
hexdb90884

230230148 has 12 divisors (see below), whose sum is σ = 405802320. Its totient is φ = 114286632.

The previous prime is 230230123. The next prime is 230230151. The reversal of 230230148 is 841032032.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 206486 + ... + 207597.

It is an arithmetic number, because the mean of its divisors is an integer number (33816860).

Almost surely, 2230230148 is an apocalyptic number.

It is an amenable number.

230230148 is a deficient number, since it is larger than the sum of its proper divisors (175572172).

230230148 is a wasteful number, since it uses less digits than its factorization.

230230148 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414226 (or 414224 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 230230148 is about 15173.3367457524. The cubic root of 230230148 is about 612.8968616701.

The spelling of 230230148 in words is "two hundred thirty million, two hundred thirty thousand, one hundred forty-eight".

Divisors: 1 2 4 139 278 556 414083 828166 1656332 57557537 115115074 230230148