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130330400 = 25521011613
BaseRepresentation
bin1111100010010…
…10111100100000
3100002020110200212
413301022330200
5231331033100
620533233252
73141535004
oct761127440
9302213625
10130330400
1167628182
1237792828
1321002ca5
1413448704
15b696635
hex7c4af20

130330400 has 72 divisors (see below), whose sum is σ = 321518484. Its totient is φ = 51584000.

The previous prime is 130330357. The next prime is 130330411. The reversal of 130330400 is 4033031.

It is a happy number.

It can be written as a sum of positive squares in 6 ways, for example, as 92236816 + 38093584 = 9604^2 + 6172^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79994 + ... + 81606.

Almost surely, 2130330400 is an apocalyptic number.

130330400 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 130330400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (160759242).

130330400 is an abundant number, since it is smaller than the sum of its proper divisors (191188084).

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

130330400 is a wasteful number, since it uses less digits than its factorization.

130330400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1734 (or 1721 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 14.

The square root of 130330400 is about 11416.2340550639. The cubic root of 130330400 is about 507.0085027758.

Adding to 130330400 its reverse (4033031), we get a palindrome (134363431).

The spelling of 130330400 in words is "one hundred thirty million, three hundred thirty thousand, four hundred".

Divisors: 1 2 4 5 8 10 16 20 25 32 40 50 80 100 101 160 200 202 400 404 505 800 808 1010 1613 1616 2020 2525 3226 3232 4040 5050 6452 8065 8080 10100 12904 16130 16160 20200 25808 32260 40325 40400 51616 64520 80650 80800 129040 161300 162913 258080 322600 325826 645200 651652 814565 1290400 1303304 1629130 2606608 3258260 4072825 5213216 6516520 8145650 13033040 16291300 26066080 32582600 65165200 130330400