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11830501 = 53223217
BaseRepresentation
bin101101001000…
…010011100101
3211021001101201
4231020103211
511012034001
61101322501
7202362154
oct55102345
924231351
1011830501
116750481
123b66431
1325b2ac7
1417dd59b
15108a501
hexb484e5

11830501 has 4 divisors (see below), whose sum is σ = 12053772. Its totient is φ = 11607232.

The previous prime is 11830459. The next prime is 11830513. The reversal of 11830501 is 10503811.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 9424900 + 2405601 = 3070^2 + 1551^2 .

It is a cyclic number.

It is not a de Polignac number, because 11830501 - 219 = 11306213 is a prime.

It is a super-2 number, since 2×118305012 = 279921507822002, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11830531) 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 3 ways as a sum of consecutive naturals, for example, 111556 + ... + 111661.

It is an arithmetic number, because the mean of its divisors is an integer number (3013443).

Almost surely, 211830501 is an apocalyptic number.

It is an amenable number.

11830501 is a deficient number, since it is larger than the sum of its proper divisors (223271).

11830501 is an equidigital number, since it uses as much as digits as its factorization.

11830501 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223270.

The product of its (nonzero) digits is 120, while the sum is 19.

The square root of 11830501 is about 3439.5495344594. The cubic root of 11830501 is about 227.8598001825.

The spelling of 11830501 in words is "eleven million, eight hundred thirty thousand, five hundred one".

Divisors: 1 53 223217 11830501