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130004000 = 255374643
BaseRepresentation
bin1111011111110…
…11010000100000
3100001121212221222
413233323100200
5231240112000
620522234212
73136005260
oct757732040
9301555858
10130004000
1167424a25
1237655968
1320c1a559
14133a17a0
15b62ea85
hex7bfb420

130004000 has 96 divisors (see below), whose sum is σ = 365129856. Its totient is φ = 44563200.

The previous prime is 130003999. The next prime is 130004003. The reversal of 130004000 is 400031.

It is a Harshad number since it is a multiple of its sum of digits (8).

It is not an unprimeable number, because it can be changed into a prime (130004003) 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, 25679 + ... + 30321.

It is an arithmetic number, because the mean of its divisors is an integer number (3803436).

Almost surely, 2130004000 is an apocalyptic number.

130004000 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 130004000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (182564928).

130004000 is an abundant number, since it is smaller than the sum of its proper divisors (235125856).

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

130004000 is an equidigital number, since it uses as much as digits as its factorization.

130004000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4675 (or 4657 counting only the distinct ones).

The product of its (nonzero) digits is 12, while the sum is 8.

The square root of 130004000 is about 11401.9296612459. The cubic root of 130004000 is about 506.5848975461.

Adding to 130004000 its reverse (400031), we get a palindrome (130404031).

The spelling of 130004000 in words is "one hundred thirty million, four thousand".

Divisors: 1 2 4 5 7 8 10 14 16 20 25 28 32 35 40 50 56 70 80 100 112 125 140 160 175 200 224 250 280 350 400 500 560 700 800 875 1000 1120 1400 1750 2000 2800 3500 4000 4643 5600 7000 9286 14000 18572 23215 28000 32501 37144 46430 65002 74288 92860 116075 130004 148576 162505 185720 232150 260008 325010 371440 464300 520016 580375 650020 742880 812525 928600 1040032 1160750 1300040 1625050 1857200 2321500 2600080 3250100 3714400 4062625 4643000 5200160 6500200 8125250 9286000 13000400 16250500 18572000 26000800 32501000 65002000 130004000