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27977214 = 2317326953
BaseRepresentation
bin110101010111…
…0010111111110
31221122101112010
41222232113332
524130232324
62435352050
7456542136
oct152562776
957571463
1027977214
1114879771
129452626
135a47385
143a03ac6
1526c9829
hex1aae5fe

27977214 has 16 divisors (see below), whose sum is σ = 56279952. Its totient is φ = 9271488.

The previous prime is 27977207. The next prime is 27977231. The reversal of 27977214 is 41277972.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12439 + ... + 14514.

It is an arithmetic number, because the mean of its divisors is an integer number (3517497).

Almost surely, 227977214 is an apocalyptic number.

27977214 is an abundant number, since it is smaller than the sum of its proper divisors (28302738).

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

27977214 is a wasteful number, since it uses less digits than its factorization.

27977214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27131.

The product of its digits is 49392, while the sum is 39.

The square root of 27977214 is about 5289.3491092950. The cubic root of 27977214 is about 303.5765037425.

It can be divided in two parts, 2797 and 7214, that added together give a triangular number (10011 = T141).

The spelling of 27977214 in words is "twenty-seven million, nine hundred seventy-seven thousand, two hundred fourteen".

Divisors: 1 2 3 6 173 346 519 1038 26953 53906 80859 161718 4662869 9325738 13988607 27977214