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133160930 = 25721914303
BaseRepresentation
bin1111110111111…
…01111111100010
3100021120021110022
413323331333202
5233042122210
621114033442
73204564200
oct773757742
9307507408
10133160930
1169190861
1238718882
1321784466
1413984070
15ba55155
hex7efdfe2

133160930 has 48 divisors (see below), whose sum is σ = 293518080. Its totient is φ = 43249248.

The previous prime is 133160893. The next prime is 133160933. The reversal of 133160930 is 39061331.

It is a self number, because there is not a number n which added to its sum of digits gives 133160930.

It is not an unprimeable number, because it can be changed into a prime (133160933) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2159 + ... + 16461.

It is an arithmetic number, because the mean of its divisors is an integer number (6114960).

Almost surely, 2133160930 is an apocalyptic number.

133160930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

133160930 is an abundant number, since it is smaller than the sum of its proper divisors (160357150).

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

133160930 is a wasteful number, since it uses less digits than its factorization.

133160930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14343 (or 14336 counting only the distinct ones).

The product of its (nonzero) digits is 1458, while the sum is 26.

The square root of 133160930 is about 11539.5376857134. The cubic root of 133160930 is about 510.6526694560.

The spelling of 133160930 in words is "one hundred thirty-three million, one hundred sixty thousand, nine hundred thirty".

Divisors: 1 2 5 7 10 14 19 35 38 49 70 95 98 133 190 245 266 490 665 931 1330 1862 4655 9310 14303 28606 71515 100121 143030 200242 271757 500605 543514 700847 1001210 1358785 1401694 1902299 2717570 3504235 3804598 7008470 9511495 13316093 19022990 26632186 66580465 133160930