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27964716 = 22313179261
BaseRepresentation
bin110101010101…
…1010100101100
31221121202101020
41222223110230
524124332331
62435214140
7456460533
oct152532454
957552336
1027964716
111487033a
129447350
135a41790
1439dd31a
1526c5c96
hex1aab52c

27964716 has 24 divisors (see below), whose sum is σ = 70270704. Its totient is φ = 8604480.

The previous prime is 27964693. The next prime is 27964723. The reversal of 27964716 is 61746972.

It is an unprimeable number.

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, 89475 + ... + 89786.

It is an arithmetic number, because the mean of its divisors is an integer number (2927946).

Almost surely, 227964716 is an apocalyptic number.

27964716 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

It is an amenable number.

27964716 is an abundant number, since it is smaller than the sum of its proper divisors (42305988).

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

27964716 is a wasteful number, since it uses less digits than its factorization.

27964716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179281 (or 179279 counting only the distinct ones).

The product of its digits is 127008, while the sum is 42.

The square root of 27964716 is about 5288.1675465136. The cubic root of 27964716 is about 303.5312923757.

It can be divided in two parts, 27964 and 716, that added together give a triangular number (28680 = T239).

The spelling of 27964716 in words is "twenty-seven million, nine hundred sixty-four thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 12 13 26 39 52 78 156 179261 358522 537783 717044 1075566 2151132 2330393 4660786 6991179 9321572 13982358 27964716