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11878061 = 132393823
BaseRepresentation
bin101101010011…
…111010101101
3211100110122012
4231103322231
511020044221
61102331005
7202650626
oct55237255
924313565
1011878061
116783188
123b89a65
1325cb650
141812a4d
15109965b
hexb53ead

11878061 has 8 divisors (see below), whose sum is σ = 12848640. Its totient is φ = 10915632.

The previous prime is 11878043. The next prime is 11878067. The reversal of 11878061 is 16087811.

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

It is not a de Polignac number, because 11878061 - 26 = 11877997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11878067) 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, 1196 + ... + 5018.

It is an arithmetic number, because the mean of its divisors is an integer number (1606080).

Almost surely, 211878061 is an apocalyptic number.

It is an amenable number.

11878061 is a deficient number, since it is larger than the sum of its proper divisors (970579).

11878061 is a wasteful number, since it uses less digits than its factorization.

11878061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4075.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 11878061 is about 3446.4562959655. The cubic root of 11878061 is about 228.1647329554.

The spelling of 11878061 in words is "eleven million, eight hundred seventy-eight thousand, sixty-one".

Divisors: 1 13 239 3107 3823 49699 913697 11878061