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11630836 = 227259341
BaseRepresentation
bin101100010111…
…100011110100
3210212220111201
4230113203310
510434141321
61053142244
7200601100
oct54274364
923786451
1011630836
116624468
123a8a984
132542c69
14178a900
15104b291
hexb178f4

11630836 has 18 divisors (see below), whose sum is σ = 23677458. Its totient is φ = 4984560.

The previous prime is 11630833. The next prime is 11630837. The reversal of 11630836 is 63803611.

It can be written as a sum of positive squares in only one way, i.e., 7452900 + 4177936 = 2730^2 + 2044^2 .

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11630833) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 29475 + ... + 29866.

Almost surely, 211630836 is an apocalyptic number.

It is an amenable number.

11630836 is an abundant number, since it is smaller than the sum of its proper divisors (12046622).

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

11630836 is a wasteful number, since it uses less digits than its factorization.

11630836 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59359 (or 59350 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 11630836 is about 3410.4011494251. The cubic root of 11630836 is about 226.5706465656.

The spelling of 11630836 in words is "eleven million, six hundred thirty thousand, eight hundred thirty-six".

Divisors: 1 2 4 7 14 28 49 98 196 59341 118682 237364 415387 830774 1661548 2907709 5815418 11630836