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130530000 = 2435419229
BaseRepresentation
bin1111100011110…
…11101011010000
3100002121121111110
413301323223100
5231403430000
620541413320
73143325636
oct761735320
9302547443
10130530000
1167754137
123786a240
1321072ab3
141349b356
15b6d5850
hex7c7bad0

130530000 has 200 divisors, whose sum is σ = 445482400. Its totient is φ = 32832000.

The previous prime is 130529999. The next prime is 130530011. The reversal of 130530000 is 35031.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (200).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 569886 + ... + 570114.

It is an arithmetic number, because the mean of its divisors is an integer number (2227412).

Almost surely, 2130530000 is an apocalyptic number.

130530000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130530000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (222741200).

130530000 is an abundant number, since it is smaller than the sum of its proper divisors (314952400).

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

130530000 is a wasteful number, since it uses less digits than its factorization.

130530000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279 (or 258 counting only the distinct ones).

The product of its (nonzero) digits is 45, while the sum is 12.

The square root of 130530000 is about 11424.9726476697. The cubic root of 130530000 is about 507.2671972919.

Adding to 130530000 its reverse (35031), we get a palindrome (130565031).

The spelling of 130530000 in words is "one hundred thirty million, five hundred thirty thousand".