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11685930 = 235389531
BaseRepresentation
bin101100100101…
…000000101010
3210222201002020
4230211000222
510442422210
61054245310
7201220524
oct54450052
923881066
1011685930
1166618a3
123ab6836
132562069
1417a2a14
15105c770
hexb2502a

11685930 has 16 divisors (see below), whose sum is σ = 28046304. Its totient is φ = 3116240.

The previous prime is 11685929. The next prime is 11685937. The reversal of 11685930 is 3958611.

It is a junction number, because it is equal to n+sod(n) for n = 11685891 and 11685900.

It is not an unprimeable number, because it can be changed into a prime (11685937) 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, 194736 + ... + 194795.

It is an arithmetic number, because the mean of its divisors is an integer number (1752894).

Almost surely, 211685930 is an apocalyptic number.

11685930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11685930 is an abundant number, since it is smaller than the sum of its proper divisors (16360374).

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

11685930 is a wasteful number, since it uses less digits than its factorization.

11685930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389541.

The product of its (nonzero) digits is 6480, while the sum is 33.

The square root of 11685930 is about 3418.4689555414. The cubic root of 11685930 is about 226.9278299817.

The spelling of 11685930 in words is "eleven million, six hundred eighty-five thousand, nine hundred thirty".

Divisors: 1 2 3 5 6 10 15 30 389531 779062 1168593 1947655 2337186 3895310 5842965 11685930