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230891010 = 23574312551
BaseRepresentation
bin11011100001100…
…01111000000010
3121002110110220220
431300301320002
5433102003020
634524443510
75502353430
oct1560617002
9532413826
10230891010
11109371919
12653a9596
1338ab19cc
1422943d50
151540c240
hexdc31e02

230891010 has 64 divisors (see below), whose sum is σ = 635019264. Its totient is φ = 52632000.

The previous prime is 230890999. The next prime is 230891029. The reversal of 230891010 is 10198032.

230891010 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89235 + ... + 91785.

It is an arithmetic number, because the mean of its divisors is an integer number (9922176).

Almost surely, 2230891010 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 230891010, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (317509632).

230891010 is an abundant number, since it is smaller than the sum of its proper divisors (404128254).

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

230891010 is a wasteful number, since it uses less digits than its factorization.

230891010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2999.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 230891010 is about 15195.0982227822. The cubic root of 230891010 is about 613.4827295044.

The spelling of 230891010 in words is "two hundred thirty million, eight hundred ninety-one thousand, ten".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 431 862 1293 2155 2551 2586 3017 4310 5102 6034 6465 7653 9051 12755 12930 15085 15306 17857 18102 25510 30170 35714 38265 45255 53571 76530 89285 90510 107142 178570 267855 535710 1099481 2198962 3298443 5497405 6596886 7696367 10994810 15392734 16492215 23089101 32984430 38481835 46178202 76963670 115445505 230891010