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4272885 = 335311021
BaseRepresentation
bin10000010011001011110101
322001002022000
4100103023311
52043213020
6231325513
751214251
oct20231365
98032260
104272885
112459311
121520899
13b67b46
147d3261
15596090
hex4132f5

4272885 has 32 divisors (see below), whose sum is σ = 7848960. Its totient is φ = 2203200.

The previous prime is 4272883. The next prime is 4272901. The reversal of 4272885 is 5882724.

It is a happy number.

It is not a de Polignac number, because 4272885 - 21 = 4272883 is a prime.

4272885 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272881) 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 31 ways as a sum of consecutive naturals, for example, 3675 + ... + 4695.

It is an arithmetic number, because the mean of its divisors is an integer number (245280).

Almost surely, 24272885 is an apocalyptic number.

4272885 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

4272885 is a deficient number, since it is larger than the sum of its proper divisors (3576075).

4272885 is a wasteful number, since it uses less digits than its factorization.

4272885 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066 (or 1060 counting only the distinct ones).

The product of its digits is 35840, while the sum is 36.

The square root of 4272885 is about 2067.0957887819. The cubic root of 4272885 is about 162.2708090496.

It can be divided in two parts, 42 and 72885, that added together give a palindrome (72927).

The spelling of 4272885 in words is "four million, two hundred seventy-two thousand, eight hundred eighty-five".

Divisors: 1 3 5 9 15 27 31 45 93 135 155 279 465 837 1021 1395 3063 4185 5105 9189 15315 27567 31651 45945 94953 137835 158255 284859 474765 854577 1424295 4272885