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3100230 = 2325721937
BaseRepresentation
bin1011110100111001000110
312211111201100
423310321012
51243201410
6150240530
735231400
oct13647106
95744640
103100230
111828281
121056146
13847173
145a9b70
154138c0
hex2f4e46

3100230 has 144 divisors (see below), whose sum is σ = 10136880. Its totient is φ = 653184.

The previous prime is 3100219. The next prime is 3100231. The reversal of 3100230 is 320013.

3100230 = T20 + T21 + ... + T264.

It is a happy number.

3100230 is nontrivially palindromic in base 11.

It is a super-2 number, since 2×31002302 = 19222852105800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (9).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3100231) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 83772 + ... + 83808.

It is an arithmetic number, because the mean of its divisors is an integer number (70395).

Almost surely, 23100230 is an apocalyptic number.

3100230 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 3100230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5068440).

3100230 is an abundant number, since it is smaller than the sum of its proper divisors (7036650).

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

3100230 is a wasteful number, since it uses less digits than its factorization.

3100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83 (or 73 counting only the distinct ones).

The product of its (nonzero) digits is 18, while the sum is 9.

The square root of 3100230 is about 1760.7470005654. The cubic root of 3100230 is about 145.8135795466.

Adding to 3100230 its reverse (320013), we get a palindrome (3420243).

The spelling of 3100230 in words is "three million, one hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 19 21 30 35 37 38 42 45 49 57 63 70 74 90 95 98 105 111 114 126 133 147 171 185 190 210 222 245 259 266 285 294 315 333 342 370 399 441 490 518 555 570 630 665 666 703 735 777 798 855 882 931 1110 1197 1295 1330 1406 1470 1554 1665 1710 1813 1862 1995 2109 2205 2331 2394 2590 2793 3330 3515 3626 3885 3990 4218 4410 4655 4662 4921 5439 5586 5985 6327 7030 7770 8379 9065 9310 9842 10545 10878 11655 11970 12654 13965 14763 16317 16758 18130 21090 23310 24605 27195 27930 29526 31635 32634 34447 41895 44289 49210 54390 63270 68894 73815 81585 83790 88578 103341 147630 163170 172235 206682 221445 310023 344470 442890 516705 620046 1033410 1550115 3100230