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4272865 = 51722957
BaseRepresentation
bin10000010011001011100001
322001002021021
4100103023201
52043212430
6231325441
751214222
oct20231341
98032237
104272865
1124592a3
121520881
13b67b2c
147d3249
1559607a
hex4132e1

4272865 has 12 divisors (see below), whose sum is σ = 5448636. Its totient is φ = 3216128.

The previous prime is 4272859. The next prime is 4272881. The reversal of 4272865 is 5682724.

It can be written as a sum of positive squares in 6 ways, for example, as 12769 + 4260096 = 113^2 + 2064^2 .

It is not a de Polignac number, because 4272865 - 25 = 4272833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4272865.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34 + ... + 2923.

It is an arithmetic number, because the mean of its divisors is an integer number (454053).

Almost surely, 24272865 is an apocalyptic number.

It is an amenable number.

4272865 is a deficient number, since it is larger than the sum of its proper divisors (1175771).

4272865 is a wasteful number, since it uses less digits than its factorization.

4272865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2996 (or 2979 counting only the distinct ones).

The product of its digits is 26880, while the sum is 34.

The square root of 4272865 is about 2067.0909510711. The cubic root of 4272865 is about 162.2705558701.

The spelling of 4272865 in words is "four million, two hundred seventy-two thousand, eight hundred sixty-five".

Divisors: 1 5 17 85 289 1445 2957 14785 50269 251345 854573 4272865