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230104630 = 25719315581
BaseRepresentation
bin11011011011100…
…01111000110110
3121000222112012201
431231301320312
5432401322010
634455535114
75462566660
oct1555617066
9530875181
10230104630
11108985018
126508a49a
1338897ab2
14227bb530
151530423a
hexdb71e36

230104630 has 64 divisors (see below), whose sum is σ = 514437120. Its totient is φ = 72316800.

The previous prime is 230104619. The next prime is 230104657. The reversal of 230104630 is 36401032.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 230104598 and 230104607.

It is a congruent number.

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 in 31 ways as a sum of consecutive naturals, for example, 38440 + ... + 44020.

It is an arithmetic number, because the mean of its divisors is an integer number (8038080).

Almost surely, 2230104630 is an apocalyptic number.

230104630 is an abundant number, since it is smaller than the sum of its proper divisors (284332490).

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

230104630 is a wasteful number, since it uses less digits than its factorization.

230104630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5645.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 230104630 is about 15169.2000448277. The cubic root of 230104630 is about 612.7854607184.

Adding to 230104630 its reverse (36401032), we get a palindrome (266505662).

The spelling of 230104630 in words is "two hundred thirty million, one hundred four thousand, six hundred thirty".

Divisors: 1 2 5 7 10 14 19 31 35 38 62 70 95 133 155 190 217 266 310 434 589 665 1085 1178 1330 2170 2945 4123 5581 5890 8246 11162 20615 27905 39067 41230 55810 78134 106039 173011 195335 212078 346022 390670 530195 742273 865055 1060390 1211077 1484546 1730110 2422154 3287209 3711365 6055385 6574418 7422730 12110770 16436045 23010463 32872090 46020926 115052315 230104630