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4288045 = 54771257
BaseRepresentation
bin10000010110111000101101
322001212002111
4100112320231
52044204140
6231524021
751306406
oct20267055
98055074
104288045
112469743
121529611
13b71a08
147d89ad
1559a7ea
hex416e2d

4288045 has 16 divisors (see below), whose sum is σ = 5349888. Its totient is φ = 3297280.

The previous prime is 4288043. The next prime is 4288049. The reversal of 4288045 is 5408824.

It is not a de Polignac number, because 4288045 - 21 = 4288043 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4287998 and 4288016.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4288043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16557 + ... + 16813.

It is an arithmetic number, because the mean of its divisors is an integer number (334368).

Almost surely, 24288045 is an apocalyptic number.

It is an amenable number.

4288045 is a deficient number, since it is larger than the sum of its proper divisors (1061843).

4288045 is a wasteful number, since it uses less digits than its factorization.

4288045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 380.

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

The square root of 4288045 is about 2070.7595224941. The cubic root of 4288045 is about 162.4624923295.

The spelling of 4288045 in words is "four million, two hundred eighty-eight thousand, forty-five".

Divisors: 1 5 47 71 235 257 355 1285 3337 12079 16685 18247 60395 91235 857609 4288045