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230653142 = 21934911217
BaseRepresentation
bin11011011111101…
…11110011010110
3121002000101121222
431233313303112
5433021400032
634515410342
75500343066
oct1557676326
9532011558
10230653142
1110921a135
12652b39b2
1338a2a665
14228c13a6
15153b1a12
hexdbf7cd6

230653142 has 16 divisors (see below), whose sum is σ = 348766992. Its totient is φ = 114401280.

The previous prime is 230653133. The next prime is 230653183. The reversal of 230653142 is 241356032.

230653142 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 188918 + ... + 190134.

It is an arithmetic number, because the mean of its divisors is an integer number (21797937).

Almost surely, 2230653142 is an apocalyptic number.

230653142 is a deficient number, since it is larger than the sum of its proper divisors (118113850).

230653142 is a wasteful number, since it uses less digits than its factorization.

230653142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1903.

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 230653142 is about 15187.2690764337. The cubic root of 230653142 is about 613.2719835322.

The spelling of 230653142 in words is "two hundred thirty million, six hundred fifty-three thousand, one hundred forty-two".

Divisors: 1 2 193 386 491 982 1217 2434 94763 189526 234881 469762 597547 1195094 115326571 230653142