Search a number
-
+
11840430 = 235756383
BaseRepresentation
bin101101001010…
…101110101110
3211021120000110
4231022232232
511012343210
61101440450
7202433130
oct55125656
924246013
1011840430
116757988
123b70126
1325b7494
141803050
15108d420
hexb4abae

11840430 has 32 divisors (see below), whose sum is σ = 32477184. Its totient is φ = 2706336.

The previous prime is 11840429. The next prime is 11840443. The reversal of 11840430 is 3404811.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 11840397 and 11840406.

It is a congruent number.

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, 27982 + ... + 28401.

It is an arithmetic number, because the mean of its divisors is an integer number (1014912).

Almost surely, 211840430 is an apocalyptic number.

11840430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11840430 is an abundant number, since it is smaller than the sum of its proper divisors (20636754).

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

11840430 is a wasteful number, since it uses less digits than its factorization.

11840430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56400.

The product of its (nonzero) digits is 384, while the sum is 21.

The square root of 11840430 is about 3440.9925893556. The cubic root of 11840430 is about 227.9235277548.

The spelling of 11840430 in words is "eleven million, eight hundred forty thousand, four hundred thirty".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 56383 112766 169149 281915 338298 394681 563830 789362 845745 1184043 1691490 1973405 2368086 3946810 5920215 11840430