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11840730 = 2351153677
BaseRepresentation
bin101101001010…
…110011011010
3211021120102120
4231022303122
511012400410
61101442110
7202434036
oct55126332
924246376
1011840730
116758130
123b70336
1325b7665
1418031c6
15108d570
hexb4acda

11840730 has 64 divisors (see below), whose sum is σ = 31632768. Its totient is φ = 2812160.

The previous prime is 11840723. The next prime is 11840737. The reversal of 11840730 is 3704811.

It is an interprime number because it is at equal distance from previous prime (11840723) and next prime (11840737).

It is a self number, because there is not a number n which added to its sum of digits gives 11840730.

It is not an unprimeable number, because it can be changed into a prime (11840737) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17152 + ... + 17828.

It is an arithmetic number, because the mean of its divisors is an integer number (494262).

Almost surely, 211840730 is an apocalyptic number.

11840730 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11840730, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15816384).

11840730 is an abundant number, since it is smaller than the sum of its proper divisors (19792038).

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

11840730 is a wasteful number, since it uses less digits than its factorization.

11840730 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 751.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 11840730 is about 3441.0361811524. The cubic root of 11840730 is about 227.9254526984.

The spelling of 11840730 in words is "eleven million, eight hundred forty thousand, seven hundred thirty".

Divisors: 1 2 3 5 6 10 11 15 22 30 33 53 55 66 106 110 159 165 265 318 330 530 583 677 795 1166 1354 1590 1749 2031 2915 3385 3498 4062 5830 6770 7447 8745 10155 14894 17490 20310 22341 35881 37235 44682 71762 74470 107643 111705 179405 215286 223410 358810 394691 538215 789382 1076430 1184073 1973455 2368146 3946910 5920365 11840730