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11863290 = 235395443
BaseRepresentation
bin101101010000…
…010011111010
3211022201101010
4231100103322
511014111130
61102134350
7202556565
oct55202372
924281333
1011863290
11677307a
123b813b6
1325c49ca
14180b4dc
1510950b0
hexb504fa

11863290 has 16 divisors (see below), whose sum is σ = 28471968. Its totient is φ = 3163536.

The previous prime is 11863289. The next prime is 11863301. The reversal of 11863290 is 9236811.

11863290 is digitally balanced in base 2 and base 4, because in such bases 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 (30), and also a Moran number because the ratio is a prime number: 395443 = 11863290 / (1 + 1 + 8 + 6 + 3 + 2 + 9 + 0).

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 197692 + ... + 197751.

It is an arithmetic number, because the mean of its divisors is an integer number (1779498).

Almost surely, 211863290 is an apocalyptic number.

11863290 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11863290 is an abundant number, since it is smaller than the sum of its proper divisors (16608678).

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

11863290 is a wasteful number, since it uses less digits than its factorization.

11863290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395453.

The product of its (nonzero) digits is 2592, while the sum is 30.

The square root of 11863290 is about 3444.3127035738. The cubic root of 11863290 is about 228.0701154009.

The spelling of 11863290 in words is "eleven million, eight hundred sixty-three thousand, two hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 395443 790886 1186329 1977215 2372658 3954430 5931645 11863290