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27245669 = 115941981
BaseRepresentation
bin110011111101…
…1110001100101
31220021020000212
41213323301211
523433330134
62411545205
7450404303
oct147736145
956236025
1027245669
111441a090
12915b205
13584c3c9
143893273
1525d2bce
hex19fbc65

27245669 has 8 divisors (see below), whose sum is σ = 30227040. Its totient is φ = 24348400.

The previous prime is 27245627. The next prime is 27245681. The reversal of 27245669 is 96654272.

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-27245669 is a prime.

It is a super-2 number, since 2×272456692 = 1484652958515122, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27245269) 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, 20342 + ... + 21639.

It is an arithmetic number, because the mean of its divisors is an integer number (3778380).

Almost surely, 227245669 is an apocalyptic number.

It is an amenable number.

27245669 is a deficient number, since it is larger than the sum of its proper divisors (2981371).

27245669 is a wasteful number, since it uses less digits than its factorization.

27245669 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42051.

The product of its digits is 181440, while the sum is 41.

The square root of 27245669 is about 5219.7384034068. The cubic root of 27245669 is about 300.9071394140.

The spelling of 27245669 in words is "twenty-seven million, two hundred forty-five thousand, six hundred sixty-nine".

Divisors: 1 11 59 649 41981 461791 2476879 27245669