Base | Representation |
---|---|
bin | 101101010001… |
… | …110100110010 |
3 | 211100000212202 |
4 | 231101310302 |
5 | 11014310430 |
6 | 1102223202 |
7 | 202613633 |
oct | 55216462 |
9 | 24300782 |
10 | 11869490 |
11 | 67777a6 |
12 | 3b84b02 |
13 | 25c7789 |
14 | 180d88a |
15 | 1096d45 |
hex | b51d32 |
11869490 has 32 divisors (see below), whose sum is σ = 22680000. Its totient is φ = 4459968.
The previous prime is 11869463. The next prime is 11869493. The reversal of 11869490 is 9496811.
It is a happy number.
11869490 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.
It is a Harshad number since it is a multiple of its sum of digits (38).
It is not an unprimeable number, because it can be changed into a prime (11869493) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33836 + ... + 34184.
It is an arithmetic number, because the mean of its divisors is an integer number (708750).
Almost surely, 211869490 is an apocalyptic number.
11869490 is a gapful number since it is divisible by the number (10) formed by its first and last digit.
11869490 is a deficient number, since it is larger than the sum of its proper divisors (10810510).
11869490 is a wasteful number, since it uses less digits than its factorization.
11869490 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 554.
The product of its (nonzero) digits is 15552, while the sum is 38.
The square root of 11869490 is about 3445.2126204343. The cubic root of 11869490 is about 228.1098398633.
It can be divided in two parts, 1186 and 9490, that multiplied together give a triangular number (11255140 = T4744).
The spelling of 11869490 in words is "eleven million, eight hundred sixty-nine thousand, four hundred ninety".
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