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130230333 = 3214470037
BaseRepresentation
bin1111100001100…
…10100000111101
3100002001101102200
413300302200331
5231314332313
620531142113
73140640162
oct760624075
9302041380
10130230333
1167569a82
1237744939
1320c9958c
1413420069
15b676b73
hex7c3283d

130230333 has 6 divisors (see below), whose sum is σ = 188110494. Its totient is φ = 86820216.

The previous prime is 130230311. The next prime is 130230337. The reversal of 130230333 is 333032031.

130230333 is a `hidden beast` number, since 1 + 302 + 30 + 333 = 666.

It can be written as a sum of positive squares in only one way, i.e., 129891609 + 338724 = 11397^2 + 582^2 .

It is not a de Polignac number, because 130230333 - 28 = 130230077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130230337) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7235010 + ... + 7235027.

It is an arithmetic number, because the mean of its divisors is an integer number (31351749).

Almost surely, 2130230333 is an apocalyptic number.

It is an amenable number.

130230333 is a deficient number, since it is larger than the sum of its proper divisors (57880161).

130230333 is a wasteful number, since it uses less digits than its factorization.

130230333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14470043 (or 14470040 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 18.

The square root of 130230333 is about 11411.8505510719. The cubic root of 130230333 is about 506.8787100591.

Adding to 130230333 its reverse (333032031), we get a palindrome (463262364).

The spelling of 130230333 in words is "one hundred thirty million, two hundred thirty thousand, three hundred thirty-three".

Divisors: 1 3 9 14470037 43410111 130230333