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11487330 = 2325127637
BaseRepresentation
bin101011110100…
…100001100010
3210121121122200
4223310201202
510420043310
61050114030
7166432521
oct53644142
923547580
1011487330
116536668
123a1b916
1324c284a
1417504b8
15101d9c0
hexaf4862

11487330 has 24 divisors (see below), whose sum is σ = 29867292. Its totient is φ = 3063264.

The previous prime is 11487323. The next prime is 11487331. The reversal of 11487330 is 3378411.

It can be written as a sum of positive squares in 2 ways, for example, as 11431161 + 56169 = 3381^2 + 237^2 .

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 11487294 and 11487303.

It is not an unprimeable number, because it can be changed into a prime (11487331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 63729 + ... + 63908.

Almost surely, 211487330 is an apocalyptic number.

11487330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11487330 is an abundant number, since it is smaller than the sum of its proper divisors (18379962).

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

11487330 is a wasteful number, since it uses less digits than its factorization.

11487330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127650 (or 127647 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 11487330 is about 3389.2963871577. The cubic root of 11487330 is about 225.6349472419.

The spelling of 11487330 in words is "eleven million, four hundred eighty-seven thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 15 18 30 45 90 127637 255274 382911 638185 765822 1148733 1276370 1914555 2297466 3829110 5743665 11487330