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11949238 = 272121931
BaseRepresentation
bin101101100101…
…010010110110
3211111002021101
4231211102312
511024333423
61104040314
7203365300
oct55452266
924432241
1011949238
116821704
12400309a
132624b72
141830970
1510b07ad
hexb654b6

11949238 has 12 divisors (see below), whose sum is σ = 20850372. Its totient is φ = 5121060.

The previous prime is 11949199. The next prime is 11949239. The reversal of 11949238 is 83294911.

It is a junction number, because it is equal to n+sod(n) for n = 11949197 and 11949206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11949239) 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, 60868 + ... + 61063.

It is an arithmetic number, because the mean of its divisors is an integer number (1737531).

Almost surely, 211949238 is an apocalyptic number.

11949238 is a deficient number, since it is larger than the sum of its proper divisors (8901134).

11949238 is a wasteful number, since it uses less digits than its factorization.

11949238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121947 (or 121940 counting only the distinct ones).

The product of its digits is 15552, while the sum is 37.

The square root of 11949238 is about 3456.7669866510. The cubic root of 11949238 is about 228.6195701053.

The spelling of 11949238 in words is "eleven million, nine hundred forty-nine thousand, two hundred thirty-eight".

Divisors: 1 2 7 14 49 98 121931 243862 853517 1707034 5974619 11949238