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8208053 = 71172579
BaseRepresentation
bin11111010011111010110101
3120110000022222
4133103322311
54100124203
6451532125
7126524120
oct37237265
916400288
108208053
1146a6917
1228ba045
131915049
1411393b7
15ac2038
hex7d3eb5

8208053 has 4 divisors (see below), whose sum is σ = 9380640. Its totient is φ = 7035468.

The previous prime is 8208049. The next prime is 8208061. The reversal of 8208053 is 3508028.

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 8208053 - 22 = 8208049 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8208023) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 586283 + ... + 586296.

It is an arithmetic number, because the mean of its divisors is an integer number (2345160).

Almost surely, 28208053 is an apocalyptic number.

It is an amenable number.

8208053 is a deficient number, since it is larger than the sum of its proper divisors (1172587).

8208053 is a wasteful number, since it uses less digits than its factorization.

8208053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1172586.

The product of its (nonzero) digits is 1920, while the sum is 26.

The square root of 8208053 is about 2864.9699823907. The cubic root of 8208053 is about 201.7189585802.

The spelling of 8208053 in words is "eight million, two hundred eight thousand, fifty-three".

Divisors: 1 7 1172579 8208053