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11706690 = 235390223
BaseRepresentation
bin101100101010…
…000101000010
3211000202120010
4230222011002
510444103230
61054525350
7201335202
oct54520502
924022503
1011706690
116676456
123b06856
13256b648
1417aa402
1510639b0
hexb2a142

11706690 has 16 divisors (see below), whose sum is σ = 28096128. Its totient is φ = 3121776.

The previous prime is 11706677. The next prime is 11706697. The reversal of 11706690 is 9660711.

It is a super-2 number, since 2×117066902 = 274093181512200, which contains 22 as substring.

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: 390223 = 11706690 / (1 + 1 + 7 + 0 + 6 + 6 + 9 + 0).

It is not an unprimeable number, because it can be changed into a prime (11706697) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 195082 + ... + 195141.

It is an arithmetic number, because the mean of its divisors is an integer number (1756008).

Almost surely, 211706690 is an apocalyptic number.

11706690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11706690 is an abundant number, since it is smaller than the sum of its proper divisors (16389438).

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

11706690 is a wasteful number, since it uses less digits than its factorization.

11706690 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 390233.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 11706690 is about 3421.5040552365. The cubic root of 11706690 is about 227.0621292287.

The spelling of 11706690 in words is "eleven million, seven hundred six thousand, six hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 390223 780446 1170669 1951115 2341338 3902230 5853345 11706690