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8379097 = 61313669
BaseRepresentation
bin11111111101101011011001
3120202200221221
4133331223121
54121112342
6455332041
7131135566
oct37755331
916680857
108379097
114803381
122981021
131974b5c
14118186d
15b07a67
hex7fdad9

8379097 has 4 divisors (see below), whose sum is σ = 8393380. Its totient is φ = 8364816.

The previous prime is 8379073. The next prime is 8379127. The reversal of 8379097 is 7909738.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2322576 + 6056521 = 1524^2 + 2461^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-8379097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8379017) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 6222 + ... + 7447.

It is an arithmetic number, because the mean of its divisors is an integer number (2098345).

Almost surely, 28379097 is an apocalyptic number.

It is an amenable number.

8379097 is a deficient number, since it is larger than the sum of its proper divisors (14283).

8379097 is a wasteful number, since it uses less digits than its factorization.

8379097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14282.

The product of its (nonzero) digits is 95256, while the sum is 43.

The square root of 8379097 is about 2894.6669929372. Note that the first 3 decimals coincide. The cubic root of 8379097 is about 203.1105143753.

The spelling of 8379097 in words is "eight million, three hundred seventy-nine thousand, ninety-seven".

Divisors: 1 613 13669 8379097