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130489704 = 2334349577
BaseRepresentation
bin1111100011100…
…01110101101000
3100002112120020000
413301301311220
5231401132304
620540503000
73143100312
oct761616550
9302476200
10130489704
1167726934
123784aa60
132105a657
141348a7b2
15b6c8939
hex7c71d68

130489704 has 80 divisors (see below), whose sum is σ = 367174500. Its totient is φ = 43296768.

The previous prime is 130489703. The next prime is 130489717. The reversal of 130489704 is 407984031.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 103428900 + 27060804 = 10170^2 + 5202^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130489703) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 225864 + ... + 226440.

Almost surely, 2130489704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 130489704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (183587250).

130489704 is an abundant number, since it is smaller than the sum of its proper divisors (236684796).

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

130489704 is a wasteful number, since it uses less digits than its factorization.

130489704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 944 (or 931 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 130489704 is about 11423.2090062294. The cubic root of 130489704 is about 507.2149923255.

The spelling of 130489704 in words is "one hundred thirty million, four hundred eighty-nine thousand, seven hundred four".

Divisors: 1 2 3 4 6 8 9 12 18 24 27 36 54 72 81 108 162 216 324 349 577 648 698 1047 1154 1396 1731 2094 2308 2792 3141 3462 4188 4616 5193 6282 6924 8376 9423 10386 12564 13848 15579 18846 20772 25128 28269 31158 37692 41544 46737 56538 62316 75384 93474 113076 124632 186948 201373 226152 373896 402746 604119 805492 1208238 1610984 1812357 2416476 3624714 4832952 5437071 7249428 10874142 14498856 16311213 21748284 32622426 43496568 65244852 130489704