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27489074 = 289389397
BaseRepresentation
bin110100011011…
…1001100110010
31220201120220212
41220313030302
524014122244
62421104122
7452440034
oct150671462
956646825
1027489074
1114575a48
129258042
135906132
143917c54
15262ed9e
hex1a37332

27489074 has 16 divisors (see below), whose sum is σ = 41909400. Its totient is φ = 13521024.

The previous prime is 27489073. The next prime is 27489079. The reversal of 27489074 is 47098472.

It can be written as a sum of positive squares in 4 ways, for example, as 18447025 + 9042049 = 4295^2 + 3007^2 .

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (27489073) 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 7 ways as a sum of consecutive naturals, for example, 69044 + ... + 69440.

Almost surely, 227489074 is an apocalyptic number.

27489074 is a deficient number, since it is larger than the sum of its proper divisors (14420326).

27489074 is a wasteful number, since it uses less digits than its factorization.

27489074 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 877.

The product of its (nonzero) digits is 112896, while the sum is 41.

The square root of 27489074 is about 5243.0023841307. The cubic root of 27489074 is about 301.8005568815.

The spelling of 27489074 in words is "twenty-seven million, four hundred eighty-nine thousand, seventy-four".

Divisors: 1 2 89 178 389 397 778 794 34621 35333 69242 70666 154433 308866 13744537 27489074