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130213230 = 2357896967
BaseRepresentation
bin1111100001011…
…10010101101110
3100002000111222020
413300232111232
5231313310410
620530531010
73140536260
oct760562556
9302014866
10130213230
1167558144
1237736a66
1320c91864
1413417b30
15b671a70
hex7c2e56e

130213230 has 64 divisors (see below), whose sum is σ = 361221120. Its totient is φ = 29424384.

The previous prime is 130213211. The next prime is 130213231. The reversal of 130213230 is 32312031.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130213231) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15207 + ... + 22173.

It is an arithmetic number, because the mean of its divisors is an integer number (5644080).

Almost surely, 2130213230 is an apocalyptic number.

130213230 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 130213230, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (180610560).

130213230 is an abundant number, since it is smaller than the sum of its proper divisors (231007890).

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

130213230 is a wasteful number, since it uses less digits than its factorization.

130213230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7073.

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 130213230 is about 11411.1011738570. The cubic root of 130213230 is about 506.8565198215.

Adding to 130213230 its reverse (32312031), we get a palindrome (162525261).

The spelling of 130213230 in words is "one hundred thirty million, two hundred thirteen thousand, two hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 89 105 178 210 267 445 534 623 890 1246 1335 1869 2670 3115 3738 6230 6967 9345 13934 18690 20901 34835 41802 48769 69670 97538 104505 146307 209010 243845 292614 487690 620063 731535 1240126 1463070 1860189 3100315 3720378 4340441 6200630 8680882 9300945 13021323 18601890 21702205 26042646 43404410 65106615 130213230