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8204485 = 519671289
BaseRepresentation
bin11111010011000011000101
3120102211102211
4133103003011
54100020420
6451503421
7126510532
oct37230305
916384384
108204485
1146a4173
1228b7b71
131913533
141137d89
15ac0e5a
hex7d30c5

8204485 has 16 divisors (see below), whose sum is σ = 10526400. Its totient is φ = 6120576.

The previous prime is 8204479. The next prime is 8204501. The reversal of 8204485 is 5844028.

It is a cyclic number.

It is not a de Polignac number, because 8204485 - 215 = 8171717 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5721 + ... + 7009.

It is an arithmetic number, because the mean of its divisors is an integer number (657900).

Almost surely, 28204485 is an apocalyptic number.

It is an amenable number.

8204485 is a deficient number, since it is larger than the sum of its proper divisors (2321915).

8204485 is a wasteful number, since it uses less digits than its factorization.

8204485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 8204485 is about 2864.3472205723. The cubic root of 8204485 is about 201.6897255998.

The spelling of 8204485 in words is "eight million, two hundred four thousand, four hundred eighty-five".

Divisors: 1 5 19 67 95 335 1273 1289 6365 6445 24491 86363 122455 431815 1640897 8204485