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11855148 = 223987929
BaseRepresentation
bin101101001110…
…010100101100
3211022022012120
4231032110230
511013331043
61102032540
7202524054
oct55162454
924268176
1011855148
116767a48
123b78750
1325c10a6
141808564
151092983
hexb4e52c

11855148 has 12 divisors (see below), whose sum is σ = 27662040. Its totient is φ = 3951712.

The previous prime is 11855147. The next prime is 11855149. The reversal of 11855148 is 84155811.

11855148 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (11855147) and next prime (11855149).

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (11855141) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 493953 + ... + 493976.

It is an arithmetic number, because the mean of its divisors is an integer number (2305170).

Almost surely, 211855148 is an apocalyptic number.

It is an amenable number.

11855148 is an abundant number, since it is smaller than the sum of its proper divisors (15806892).

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

11855148 is a wasteful number, since it uses less digits than its factorization.

11855148 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 987936 (or 987934 counting only the distinct ones).

The product of its digits is 6400, while the sum is 33.

The square root of 11855148 is about 3443.1305522736. The cubic root of 11855148 is about 228.0179271838.

The spelling of 11855148 in words is "eleven million, eight hundred fifty-five thousand, one hundred forty-eight".

Divisors: 1 2 3 4 6 12 987929 1975858 2963787 3951716 5927574 11855148