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11861069 = 114612339
BaseRepresentation
bin101101001111…
…110001001101
3211022121022212
4231033301031
511014023234
61102120205
7202550243
oct55176115
924277285
1011861069
116771440
123b80065
1325c39ac
14180a793
1510945ce
hexb4fc4d

11861069 has 8 divisors (see below), whose sum is σ = 12972960. Its totient is φ = 10754800.

The previous prime is 11861033. The next prime is 11861071. The reversal of 11861069 is 96016811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11861069 is a prime.

It is a super-2 number, since 2×118610692 = 281369915645522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11861089) 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, 3902 + ... + 6240.

It is an arithmetic number, because the mean of its divisors is an integer number (1621620).

Almost surely, 211861069 is an apocalyptic number.

It is an amenable number.

11861069 is a deficient number, since it is larger than the sum of its proper divisors (1111891).

11861069 is a wasteful number, since it uses less digits than its factorization.

11861069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2811.

The product of its (nonzero) digits is 2592, while the sum is 32.

The square root of 11861069 is about 3443.9902729247. The cubic root of 11861069 is about 228.0558817063.

The spelling of 11861069 in words is "eleven million, eight hundred sixty-one thousand, sixty-nine".

Divisors: 1 11 461 2339 5071 25729 1078279 11861069