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11830315 = 572109443
BaseRepresentation
bin101101001000…
…010000101011
3211021001010211
4231020100223
511012032230
61101321551
7202361500
oct55102053
924231124
1011830315
116750322
123b662b7
1325b29b3
1417dd4a7
15108a42a
hexb4842b

11830315 has 24 divisors (see below), whose sum is σ = 16703280. Its totient is φ = 8019648.

The previous prime is 11830297. The next prime is 11830337. The reversal of 11830315 is 51303811.

It is not a de Polignac number, because 11830315 - 27 = 11830187 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 26484 + ... + 26926.

It is an arithmetic number, because the mean of its divisors is an integer number (695970).

It is a vampire number, since it can be written as 31013815 (with its own digits).

Almost surely, 211830315 is an apocalyptic number.

11830315 is a deficient number, since it is larger than the sum of its proper divisors (4872965).

11830315 is a wasteful number, since it uses less digits than its factorization.

11830315 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 571 (or 564 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 22.

The square root of 11830315 is about 3439.5224959288. The cubic root of 11830315 is about 227.8586060334.

The spelling of 11830315 in words is "eleven million, eight hundred thirty thousand, three hundred fifteen".

Divisors: 1 5 7 35 49 109 245 443 545 763 2215 3101 3815 5341 15505 21707 26705 48287 108535 241435 338009 1690045 2366063 11830315