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4285140 = 223571419
BaseRepresentation
bin10000010110001011010100
322001201002220
4100112023110
52044111030
6231502340
751265056
oct20261324
98051086
104285140
112467542
1215279b0
13b705b2
147d78d6
15599a10
hex4162d4

4285140 has 24 divisors (see below), whose sum is σ = 11998560. Its totient is φ = 1142688.

The previous prime is 4285129. The next prime is 4285147. The reversal of 4285140 is 415824.

It is a self number, because there is not a number n which added to its sum of digits gives 4285140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4285147) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35650 + ... + 35769.

It is an arithmetic number, because the mean of its divisors is an integer number (499940).

Almost surely, 24285140 is an apocalyptic number.

It is an amenable number.

4285140 is an abundant number, since it is smaller than the sum of its proper divisors (7713420).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4285140 is a wasteful number, since it uses less digits than its factorization.

4285140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71431 (or 71429 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 24.

The square root of 4285140 is about 2070.0579702028. The cubic root of 4285140 is about 162.4257964958.

The spelling of 4285140 in words is "four million, two hundred eighty-five thousand, one hundred forty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 71419 142838 214257 285676 357095 428514 714190 857028 1071285 1428380 2142570 4285140