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8149716 = 2232226381
BaseRepresentation
bin11111000101101011010100
3120100001022100
4133011223110
54041242331
6450402100
7126162051
oct37055324
916301270
108149716
114667003
122890330
1318c4623
141122028
15aaeae6
hex7c5ad4

8149716 has 18 divisors (see below), whose sum is σ = 20600762. Its totient is φ = 2716560.

The previous prime is 8149703. The next prime is 8149721. The reversal of 8149716 is 6179418.

It can be written as a sum of positive squares in only one way, i.e., 6780816 + 1368900 = 2604^2 + 1170^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (36), and also a Moran number because the ratio is a prime number: 226381 = 8149716 / (8 + 1 + 4 + 9 + 7 + 1 + 6).

It is a congruent number.

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 5 ways as a sum of consecutive naturals, for example, 113155 + ... + 113226.

Almost surely, 28149716 is an apocalyptic number.

It is an amenable number.

8149716 is an abundant number, since it is smaller than the sum of its proper divisors (12451046).

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

8149716 is a wasteful number, since it uses less digits than its factorization.

8149716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 226391 (or 226386 counting only the distinct ones).

The product of its digits is 12096, while the sum is 36.

The square root of 8149716 is about 2854.7707438602. The cubic root of 8149716 is about 201.2399303116.

The spelling of 8149716 in words is "eight million, one hundred forty-nine thousand, seven hundred sixteen".

Divisors: 1 2 3 4 6 9 12 18 36 226381 452762 679143 905524 1358286 2037429 2716572 4074858 8149716