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330129890 = 2543577577
BaseRepresentation
bin10011101011010…
…110000111100010
3212000012100001222
4103223112013202
51134003124030
652431455042
711116025546
oct2353260742
9760170058
10330129890
1115a393522
1292687482
1353519c3c
1431bb7a26
151deb13e5
hex13ad61e2

330129890 has 16 divisors (see below), whose sum is σ = 594448632. Its totient is φ = 132004224.

The previous prime is 330129889. The next prime is 330129893. The reversal of 330129890 is 98921033.

It can be written as a sum of positive squares in 4 ways, for example, as 270701209 + 59428681 = 16453^2 + 7709^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 330129890.

It is not an unprimeable number, because it can be changed into a prime (330129893) 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, 39782 + ... + 47358.

Almost surely, 2330129890 is an apocalyptic number.

330129890 is a deficient number, since it is larger than the sum of its proper divisors (264318742).

330129890 is a wasteful number, since it uses less digits than its factorization.

330129890 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11941.

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 330129890 is about 18169.4768774448. The cubic root of 330129890 is about 691.1329772570.

The spelling of 330129890 in words is "three hundred thirty million, one hundred twenty-nine thousand, eight hundred ninety".

Divisors: 1 2 5 10 4357 7577 8714 15154 21785 37885 43570 75770 33012989 66025978 165064945 330129890