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1230424230 = 2357191132729
BaseRepresentation
bin100100101010110…
…1100100010100110
310011202021000201210
41021111230202212
510004442033410
6322032132250
742330301440
oct11125544246
93152230653
101230424230
115815a6a32
122a4097086
13167bb7599
14b95ad490
157304a220
hex4956c8a6

1230424230 has 128 divisors (see below), whose sum is σ = 3585254400. Its totient is φ = 263983104.

The previous prime is 1230424219. The next prime is 1230424243. The reversal of 1230424230 is 324240321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1230424197 and 1230424206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 449506 + ... + 452234.

It is an arithmetic number, because the mean of its divisors is an integer number (28009800).

Almost surely, 21230424230 is an apocalyptic number.

1230424230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1230424230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1792627200).

1230424230 is an abundant number, since it is smaller than the sum of its proper divisors (2354830170).

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

1230424230 is a wasteful number, since it uses less digits than its factorization.

1230424230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2878.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 1230424230 is about 35077.4034101728. The cubic root of 1230424230 is about 1071.5644364341.

Adding to 1230424230 its reverse (324240321), we get a palindrome (1554664551).

The spelling of 1230424230 in words is "one billion, two hundred thirty million, four hundred twenty-four thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 19 21 30 35 38 42 57 70 95 105 113 114 133 190 210 226 266 285 339 399 565 570 665 678 791 798 1130 1330 1582 1695 1995 2147 2373 2729 3390 3955 3990 4294 4746 5458 6441 7910 8187 10735 11865 12882 13645 15029 16374 19103 21470 23730 27290 30058 32205 38206 40935 45087 51851 57309 64410 75145 81870 90174 95515 103702 114618 150290 155553 191030 225435 259255 286545 308377 311106 362957 450870 518510 573090 616754 725914 777765 925131 1088871 1541885 1555530 1814785 1850262 2158639 2177742 3083770 3629570 4317278 4625655 5444355 5859163 6475917 9251310 10793195 10888710 11718326 12951834 17577489 21586390 29295815 32379585 35154978 41014141 58591630 64759170 82028282 87887445 123042423 175774890 205070705 246084846 410141410 615212115 1230424230