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130355208 = 23321919479
BaseRepresentation
bin1111100010100…
…01000000001000
3100002021201201200
413301101000020
5231332331313
620533544200
73142000224
oct761210010
9302251650
10130355208
1167644885
12377a5060
1321011379
1413453784
15b69db73
hex7c51008

130355208 has 48 divisors (see below), whose sum is σ = 354931200. Its totient is φ = 43219680.

The previous prime is 130355207. The next prime is 130355233. The reversal of 130355208 is 802553031.

130355208 is a `hidden beast` number, since 130 + 3 + 5 + 520 + 8 = 666.

It is a super-3 number, since 3×1303552083 (a number of 25 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (130355207) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9013 + ... + 18491.

It is an arithmetic number, because the mean of its divisors is an integer number (7394400).

Almost surely, 2130355208 is an apocalyptic number.

130355208 is a gapful number since it is divisible by the number (18) 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 130355208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (177465600).

130355208 is an abundant number, since it is smaller than the sum of its proper divisors (224575992).

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

130355208 is a wasteful number, since it uses less digits than its factorization.

130355208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9682 (or 9675 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 130355208 is about 11417.3205262881. The cubic root of 130355208 is about 507.0406699165.

The spelling of 130355208 in words is "one hundred thirty million, three hundred fifty-five thousand, two hundred eight".

Divisors: 1 2 3 4 6 8 9 12 18 24 36 72 191 382 573 764 1146 1528 1719 2292 3438 4584 6876 9479 13752 18958 28437 37916 56874 75832 85311 113748 170622 227496 341244 682488 1810489 3620978 5431467 7241956 10862934 14483912 16294401 21725868 32588802 43451736 65177604 130355208