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3928495 = 54773229
BaseRepresentation
bin1110111111000110101111
321101120212211
432333012233
52001202440
6220111251
745251224
oct16770657
97346784
103928495
11224359a
121395527
13a7716c
1474394b
15528eea
hex3bf1af

3928495 has 16 divisors (see below), whose sum is σ = 4901760. Its totient is φ = 3020544.

The previous prime is 3928493. The next prime is 3928553. The reversal of 3928495 is 5948293.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3928495 - 21 = 3928493 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3928493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17041 + ... + 17269.

It is an arithmetic number, because the mean of its divisors is an integer number (306360).

Almost surely, 23928495 is an apocalyptic number.

3928495 is a deficient number, since it is larger than the sum of its proper divisors (973265).

3928495 is a wasteful number, since it uses less digits than its factorization.

3928495 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354.

The product of its digits is 77760, while the sum is 40.

The square root of 3928495 is about 1982.0431377748. The cubic root of 3928495 is about 157.7885196056.

The spelling of 3928495 in words is "three million, nine hundred twenty-eight thousand, four hundred ninety-five".

Divisors: 1 5 47 73 229 235 365 1145 3431 10763 16717 17155 53815 83585 785699 3928495