Search a number
-
+
11340820 = 2254313187
BaseRepresentation
bin101011010000…
…110000010100
3210100011200101
4223100300110
510400401240
61043023444
7165252421
oct53206024
923304611
1011340820
116446587
12396ab84
132470c5a
141712d48
15ee039a
hexad0c14

11340820 has 24 divisors (see below), whose sum is σ = 24371424. Its totient is φ = 4430496.

The previous prime is 11340757. The next prime is 11340821. The reversal of 11340820 is 2804311.

It is a super-2 number, since 2×113408202 = 257228396544800, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11340821) 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, 5734 + ... + 7453.

It is an arithmetic number, because the mean of its divisors is an integer number (1015476).

Almost surely, 211340820 is an apocalyptic number.

11340820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11340820 is an abundant number, since it is smaller than the sum of its proper divisors (13030604).

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

11340820 is a wasteful number, since it uses less digits than its factorization.

11340820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13239 (or 13237 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 19.

The square root of 11340820 is about 3367.6133982392. The cubic root of 11340820 is about 224.6715867200.

The spelling of 11340820 in words is "eleven million, three hundred forty thousand, eight hundred twenty".

Divisors: 1 2 4 5 10 20 43 86 172 215 430 860 13187 26374 52748 65935 131870 263740 567041 1134082 2268164 2835205 5670410 11340820