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120100230 = 232510211307
BaseRepresentation
bin1110010100010…
…01010110000110
322100222201112200
413022021112012
5221221201410
615530055330
72655556305
oct712112606
9270881480
10120100230
1161880098
123427a546
131bb60733
1411d4443c
15a8253c0
hex7289586

120100230 has 48 divisors (see below), whose sum is σ = 312805584. Its totient is φ = 31970880.

The previous prime is 120100213. The next prime is 120100289. The reversal of 120100230 is 32001021.

It is a happy number.

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

It is a Curzon number.

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, 91237 + ... + 92543.

It is an arithmetic number, because the mean of its divisors is an integer number (6516783).

Almost surely, 2120100230 is an apocalyptic number.

120100230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

120100230 is an abundant number, since it is smaller than the sum of its proper divisors (192705354).

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

120100230 is a wasteful number, since it uses less digits than its factorization.

120100230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2341 (or 2338 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 9.

The square root of 120100230 is about 10959.0250478772. The cubic root of 120100230 is about 493.3797035587.

Adding to 120100230 its reverse (32001021), we get a palindrome (152101251).

The spelling of 120100230 in words is "one hundred twenty million, one hundred thousand, two hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 1021 1307 2042 2614 3063 3921 5105 6126 6535 7842 9189 10210 11763 13070 15315 18378 19605 23526 30630 39210 45945 58815 91890 117630 1334447 2668894 4003341 6672235 8006682 12010023 13344470 20016705 24020046 40033410 60050115 120100230