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8330145 = 351972819
BaseRepresentation
bin11111110001101110100001
3120200012210220
4133301232201
54113031040
6454313253
7130543065
oct37615641
916605726
108330145
11477a61a
122958829
1319587a5
14116baa5
15ae82d0
hex7f1ba1

8330145 has 16 divisors (see below), whose sum is σ = 13400640. Its totient is φ = 4418624.

The previous prime is 8330137. The next prime is 8330167. The reversal of 8330145 is 5410338.

It is a cyclic number.

It is not a de Polignac number, because 8330145 - 23 = 8330137 is a prime.

It is a Curzon 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, 1546 + ... + 4364.

It is an arithmetic number, because the mean of its divisors is an integer number (837540).

Almost surely, 28330145 is an apocalyptic number.

It is an amenable number.

8330145 is a deficient number, since it is larger than the sum of its proper divisors (5070495).

8330145 is a wasteful number, since it uses less digits than its factorization.

8330145 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3024.

The product of its (nonzero) digits is 1440, while the sum is 24.

The square root of 8330145 is about 2886.1990575842. The cubic root of 8330145 is about 202.7142071044.

The spelling of 8330145 in words is "eight million, three hundred thirty thousand, one hundred forty-five".

Divisors: 1 3 5 15 197 591 985 2819 2955 8457 14095 42285 555343 1666029 2776715 8330145