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130573420 = 2256528671
BaseRepresentation
bin1111100100001…
…10010001101100
3100002200211001121
413302012101230
5231411322140
620542350324
73143566345
oct762062154
9302624047
10130573420
116778381a
123788b3a4
13210897a3
14134ad0cc
15b6e364a
hex7c8646c

130573420 has 12 divisors (see below), whose sum is σ = 274204224. Its totient is φ = 52229360.

The previous prime is 130573411. The next prime is 130573423. The reversal of 130573420 is 24375031.

It is not an unprimeable number, because it can be changed into a prime (130573423) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 3264316 + ... + 3264355.

It is an arithmetic number, because the mean of its divisors is an integer number (22850352).

Almost surely, 2130573420 is an apocalyptic number.

130573420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130573420 is an abundant number, since it is smaller than the sum of its proper divisors (143630804).

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

130573420 is a wasteful number, since it uses less digits than its factorization.

130573420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6528680 (or 6528678 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 25.

The square root of 130573420 is about 11426.8727130392. The cubic root of 130573420 is about 507.3234374919.

The spelling of 130573420 in words is "one hundred thirty million, five hundred seventy-three thousand, four hundred twenty".

Divisors: 1 2 4 5 10 20 6528671 13057342 26114684 32643355 65286710 130573420