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130393446 = 2326980789
BaseRepresentation
bin1111100010110…
…10010101100110
3100002100200011220
413301122111212
5231340042241
620534441210
73142216551
oct761322546
9302320156
10130393446
1167670587
1237803206
13210258b1
1413463698
15b6aa166
hex7c5a566

130393446 has 16 divisors (see below), whose sum is σ = 261759600. Its totient is φ = 43302368.

The previous prime is 130393427. The next prime is 130393469. The reversal of 130393446 is 644393031.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38781 + ... + 42008.

It is an arithmetic number, because the mean of its divisors is an integer number (16359975).

Almost surely, 2130393446 is an apocalyptic number.

130393446 is an abundant number, since it is smaller than the sum of its proper divisors (131366154).

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

130393446 is a wasteful number, since it uses less digits than its factorization.

130393446 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81063.

The product of its (nonzero) digits is 23328, while the sum is 33.

The square root of 130393446 is about 11418.9949645317. The cubic root of 130393446 is about 507.0902429920.

It can be divided in two parts, 1303 and 93446, that added together give a palindrome (94749).

The spelling of 130393446 in words is "one hundred thirty million, three hundred ninety-three thousand, four hundred forty-six".

Divisors: 1 2 3 6 269 538 807 1614 80789 161578 242367 484734 21732241 43464482 65196723 130393446