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27024997 = 38969473
BaseRepresentation
bin110011100010…
…1111001100101
31212212000022211
41213011321211
523404244442
62403123421
7445465036
oct147057145
955760284
1027024997
111428930a
129073571
1357a2b2c
143836a8d
15258c617
hex19c5e65

27024997 has 4 divisors (see below), whose sum is σ = 27094860. Its totient is φ = 26955136.

The previous prime is 27024983. The next prime is 27025001. The reversal of 27024997 is 79942072.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10751841 + 16273156 = 3279^2 + 4034^2 .

It is a cyclic number.

It is not a de Polignac number, because 27024997 - 27 = 27024869 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (27024937) 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, 34348 + ... + 35125.

It is an arithmetic number, because the mean of its divisors is an integer number (6773715).

Almost surely, 227024997 is an apocalyptic number.

It is an amenable number.

27024997 is a deficient number, since it is larger than the sum of its proper divisors (69863).

27024997 is an equidigital number, since it uses as much as digits as its factorization.

27024997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69862.

The product of its (nonzero) digits is 63504, while the sum is 40.

The square root of 27024997 is about 5198.5572036864. The cubic root of 27024997 is about 300.0925529251.

The spelling of 27024997 in words is "twenty-seven million, twenty-four thousand, nine hundred ninety-seven".

Divisors: 1 389 69473 27024997