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130321740 = 22354434903
BaseRepresentation
bin1111100010010…
…00110101001100
3100002020000211010
413301020311030
5231330243430
620533125220
73141500523
oct761106514
9302200733
10130321740
116762171a
1237789810
1320ccc073
14134454ba
15b693cb0
hex7c48d4c

130321740 has 48 divisors (see below), whose sum is σ = 365799168. Its totient is φ = 34666944.

The previous prime is 130321729. The next prime is 130321757. The reversal of 130321740 is 47123031.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 24129 + ... + 29031.

It is an arithmetic number, because the mean of its divisors is an integer number (7620816).

Almost surely, 2130321740 is an apocalyptic number.

130321740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

130321740 is an abundant number, since it is smaller than the sum of its proper divisors (235477428).

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

130321740 is a wasteful number, since it uses less digits than its factorization.

130321740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5358 (or 5356 counting only the distinct ones).

The product of its (nonzero) digits is 504, while the sum is 21.

The square root of 130321740 is about 11415.8547643179. The cubic root of 130321740 is about 506.9972728788.

Adding to 130321740 its reverse (47123031), we get a palindrome (177444771).

The spelling of 130321740 in words is "one hundred thirty million, three hundred twenty-one thousand, seven hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 443 886 1329 1772 2215 2658 4430 4903 5316 6645 8860 9806 13290 14709 19612 24515 26580 29418 49030 58836 73545 98060 147090 294180 2172029 4344058 6516087 8688116 10860145 13032174 21720290 26064348 32580435 43440580 65160870 130321740