Search a number
-
+
11489730 = 235754713
BaseRepresentation
bin101011110101…
…000111000010
3210121201221120
4223311013002
510420132410
61050133110
7166442520
oct53650702
923551846
1011489730
11653844a
123a21196
1324c3975
141751310
15101e570
hexaf51c2

11489730 has 32 divisors (see below), whose sum is σ = 31515264. Its totient is φ = 2626176.

The previous prime is 11489701. The next prime is 11489743. The reversal of 11489730 is 3798411.

11489730 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 11489691 and 11489700.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27147 + ... + 27566.

It is an arithmetic number, because the mean of its divisors is an integer number (984852).

Almost surely, 211489730 is an apocalyptic number.

11489730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11489730 is an abundant number, since it is smaller than the sum of its proper divisors (20025534).

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

11489730 is a wasteful number, since it uses less digits than its factorization.

11489730 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54730.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 11489730 is about 3389.6504244538. The cubic root of 11489730 is about 225.6506598042.

It can be divided in two parts, 1148 and 9730, that added together give a triangular number (10878 = T147).

The spelling of 11489730 in words is "eleven million, four hundred eighty-nine thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 54713 109426 164139 273565 328278 382991 547130 765982 820695 1148973 1641390 1914955 2297946 3829910 5744865 11489730