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10128230 = 257413529
BaseRepresentation
bin100110101000…
…101101100110
3201001120022122
4212220231212
510043100410
61001025542
7152042240
oct46505546
921046278
1010128230
115798542
1234852b2
132138048
1414b9090
15d50e55
hex9a8b66

10128230 has 32 divisors (see below), whose sum is σ = 21349440. Its totient is φ = 3386880.

The previous prime is 10128229. The next prime is 10128253. The reversal of 10128230 is 3282101.

10128230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 10128199 and 10128208.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1106 + ... + 4634.

It is an arithmetic number, because the mean of its divisors is an integer number (667170).

Almost surely, 210128230 is an apocalyptic number.

10128230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

10128230 is an abundant number, since it is smaller than the sum of its proper divisors (11221210).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

10128230 is a wasteful number, since it uses less digits than its factorization.

10128230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3584.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 10128230 is about 3182.4880204016. The cubic root of 10128230 is about 216.3604378712.

The spelling of 10128230 in words is "ten million, one hundred twenty-eight thousand, two hundred thirty".

Divisors: 1 2 5 7 10 14 35 41 70 82 205 287 410 574 1435 2870 3529 7058 17645 24703 35290 49406 123515 144689 247030 289378 723445 1012823 1446890 2025646 5064115 10128230