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27489468 = 2232290789
BaseRepresentation
bin110100011011…
…1010010111100
31220201121110110
41220313102330
524014130333
62421110020
7452441136
oct150672274
956647413
1027489468
1114576276
129258310
135906376
143918056
152630063
hex1a374bc

27489468 has 12 divisors (see below), whose sum is σ = 64142120. Its totient is φ = 9163152.

The previous prime is 27489437. The next prime is 27489481. The reversal of 27489468 is 86498472.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1145383 + ... + 1145406.

Almost surely, 227489468 is an apocalyptic number.

It is an amenable number.

27489468 is an abundant number, since it is smaller than the sum of its proper divisors (36652652).

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

27489468 is a wasteful number, since it uses less digits than its factorization.

27489468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2290796 (or 2290794 counting only the distinct ones).

The product of its digits is 774144, while the sum is 48.

The square root of 27489468 is about 5243.0399578870. The cubic root of 27489468 is about 301.8019987738.

The spelling of 27489468 in words is "twenty-seven million, four hundred eighty-nine thousand, four hundred sixty-eight".

Divisors: 1 2 3 4 6 12 2290789 4581578 6872367 9163156 13744734 27489468