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1230419100 = 2235219215863
BaseRepresentation
bin100100101010110…
…1011010010011100
310011202020202200210
41021111223102130
510004441402400
6322032052420
742330250461
oct11125532234
93152222623
101230419100
115815a3099
122a4094110
13167bb5151
14b95ab668
1573048950
hex4956b49c

1230419100 has 72 divisors (see below), whose sum is σ = 3747399040. Its totient is φ = 310841280.

The previous prime is 1230419087. The next prime is 1230419123. The reversal of 1230419100 is 19140321.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102232 + ... + 113631.

Almost surely, 21230419100 is an apocalyptic number.

1230419100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1230419100 is an abundant number, since it is smaller than the sum of its proper divisors (2516979940).

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

1230419100 is a wasteful number, since it uses less digits than its factorization.

1230419100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215899 (or 215892 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 1230419100 is about 35077.3302860979. The cubic root of 1230419100 is about 1071.5629472097.

Adding to 1230419100 its reverse (19140321), we get a palindrome (1249559421).

The spelling of 1230419100 in words is "one billion, two hundred thirty million, four hundred nineteen thousand, one hundred".

Divisors: 1 2 3 4 5 6 10 12 15 19 20 25 30 38 50 57 60 75 76 95 100 114 150 190 228 285 300 380 475 570 950 1140 1425 1900 2850 5700 215863 431726 647589 863452 1079315 1295178 2158630 2590356 3237945 4101397 4317260 5396575 6475890 8202794 10793150 12304191 12951780 16189725 16405588 20506985 21586300 24608382 32379450 41013970 49216764 61520955 64758900 82027940 102534925 123041910 205069850 246083820 307604775 410139700 615209550 1230419100