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130489240 = 2357466033
BaseRepresentation
bin1111100011100…
…01101110011000
3100002112112120211
413301301232120
5231401123430
620540500504
73143066050
oct761615630
9302475524
10130489240
1167726552
123784a734
132105a38b
141348a560
15b6c872a
hex7c71b98

130489240 has 32 divisors (see below), whose sum is σ = 335544480. Its totient is φ = 44739072.

The previous prime is 130489237. The next prime is 130489243. The reversal of 130489240 is 42984031.

It is an interprime number because it is at equal distance from previous prime (130489237) and next prime (130489243).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130489243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 232737 + ... + 233296.

It is an arithmetic number, because the mean of its divisors is an integer number (10485765).

Almost surely, 2130489240 is an apocalyptic number.

130489240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130489240 is an abundant number, since it is smaller than the sum of its proper divisors (205055240).

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

130489240 is a wasteful number, since it uses less digits than its factorization.

130489240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466051 (or 466047 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 130489240 is about 11423.1886966819. The cubic root of 130489240 is about 507.2143911337.

The spelling of 130489240 in words is "one hundred thirty million, four hundred eighty-nine thousand, two hundred forty".

Divisors: 1 2 4 5 7 8 10 14 20 28 35 40 56 70 140 280 466033 932066 1864132 2330165 3262231 3728264 4660330 6524462 9320660 13048924 16311155 18641320 26097848 32622310 65244620 130489240