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27936868 = 2240117417
BaseRepresentation
bin110101010010…
…0100001100100
31221120100011211
41222210201210
524122434433
62434441204
7456313411
oct152444144
957510154
1027936868
1114851423
129433204
135a31bbb
1439d3108
1526bc8cd
hex1aa4864

27936868 has 12 divisors (see below), whose sum is σ = 49014252. Its totient is φ = 13932800.

The previous prime is 27936851. The next prime is 27936869. The reversal of 27936868 is 86863972.

It can be written as a sum of positive squares in 2 ways, for example, as 27123264 + 813604 = 5208^2 + 902^2 .

It is not an unprimeable number, because it can be changed into a prime (27936869) 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, 7105 + ... + 10312.

It is an arithmetic number, because the mean of its divisors is an integer number (4084521).

Almost surely, 227936868 is an apocalyptic number.

It is an amenable number.

27936868 is a deficient number, since it is larger than the sum of its proper divisors (21077384).

27936868 is a wasteful number, since it uses less digits than its factorization.

27936868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17822 (or 17820 counting only the distinct ones).

The product of its digits is 870912, while the sum is 49.

The square root of 27936868 is about 5285.5338424799. The cubic root of 27936868 is about 303.4305040966.

The spelling of 27936868 in words is "twenty-seven million, nine hundred thirty-six thousand, eight hundred sixty-eight".

Divisors: 1 2 4 401 802 1604 17417 34834 69668 6984217 13968434 27936868