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130533920 = 2551174167
BaseRepresentation
bin1111100011111…
…00101000100000
3100002121210212122
413301330220200
5231404041140
620541443412
73143343236
oct761745040
9302553778
10130533920
1167757080
1237870568
132107480a
141349c956
15b6d6ab5
hex7c7ca20

130533920 has 48 divisors (see below), whose sum is σ = 336426048. Its totient is φ = 47466240.

The previous prime is 130533919. The next prime is 130533929. The reversal of 130533920 is 29335031.

It is a self number, because there is not a number n which added to its sum of digits gives 130533920.

It is not an unprimeable number, because it can be changed into a prime (130533929) 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 7 ways as a sum of consecutive naturals, for example, 35324 + ... + 38843.

It is an arithmetic number, because the mean of its divisors is an integer number (7008876).

Almost surely, 2130533920 is an apocalyptic number.

130533920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130533920 is an abundant number, since it is smaller than the sum of its proper divisors (205892128).

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

130533920 is a wasteful number, since it uses less digits than its factorization.

130533920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 74193 (or 74185 counting only the distinct ones).

The product of its (nonzero) digits is 2430, while the sum is 26.

The square root of 130533920 is about 11425.1442004029. The cubic root of 130533920 is about 507.2722752242.

Adding to 130533920 its reverse (29335031), we get a palindrome (159868951).

The spelling of 130533920 in words is "one hundred thirty million, five hundred thirty-three thousand, nine hundred twenty".

Divisors: 1 2 4 5 8 10 11 16 20 22 32 40 44 55 80 88 110 160 176 220 352 440 880 1760 74167 148334 296668 370835 593336 741670 815837 1186672 1483340 1631674 2373344 2966680 3263348 4079185 5933360 6526696 8158370 11866720 13053392 16316740 26106784 32633480 65266960 130533920