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130302406 = 213231931129
BaseRepresentation
bin1111100010001…
…00000111000110
3100002012001022001
413301010013012
5231324134111
620532455514
73141360253
oct761040706
9302161261
10130302406
1167609143
123777a59a
1320cc3320
141343c42a
15b68d1c1
hex7c441c6

130302406 has 32 divisors (see below), whose sum is σ = 220973760. Its totient is φ = 57176064.

The previous prime is 130302397. The next prime is 130302407. The reversal of 130302406 is 604203031.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130302407) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114850 + ... + 115978.

It is an arithmetic number, because the mean of its divisors is an integer number (6905430).

Almost surely, 2130302406 is an apocalyptic number.

130302406 is a deficient number, since it is larger than the sum of its proper divisors (90671354).

130302406 is a wasteful number, since it uses less digits than its factorization.

130302406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1360.

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

The square root of 130302406 is about 11415.0079281619. The cubic root of 130302406 is about 506.9721996254.

Adding to 130302406 its reverse (604203031), we get a palindrome (734505437).

The spelling of 130302406 in words is "one hundred thirty million, three hundred two thousand, four hundred six".

Divisors: 1 2 13 23 26 46 193 299 386 598 1129 2258 2509 4439 5018 8878 14677 25967 29354 51934 57707 115414 217897 337571 435794 675142 2832661 5011631 5665322 10023262 65151203 130302406