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8196949 = 10776607
BaseRepresentation
bin11111010001001101010101
3120102110002201
4133101031111
54044300244
6451404501
7126446545
oct37211525
916373081
108196949
114699542
1228b3731
13190cc87
141135325
15abdad4
hex7d1355

8196949 has 4 divisors (see below), whose sum is σ = 8273664. Its totient is φ = 8120236.

The previous prime is 8196931. The next prime is 8196953. The reversal of 8196949 is 9496918.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 8196949 - 25 = 8196917 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8196899 and 8196908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8196919) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 38197 + ... + 38410.

It is an arithmetic number, because the mean of its divisors is an integer number (2068416).

Almost surely, 28196949 is an apocalyptic number.

It is an amenable number.

8196949 is a deficient number, since it is larger than the sum of its proper divisors (76715).

8196949 is a wasteful number, since it uses less digits than its factorization.

8196949 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76714.

The product of its digits is 139968, while the sum is 46.

The square root of 8196949 is about 2863.0314353845. The cubic root of 8196949 is about 201.6279545330.

The spelling of 8196949 in words is "eight million, one hundred ninety-six thousand, nine hundred forty-nine".

Divisors: 1 107 76607 8196949