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4272856 = 237411861
BaseRepresentation
bin10000010011001011011000
322001002020221
4100103023120
52043212411
6231325424
751214210
oct20231330
98032227
104272856
112459295
121520874
13b67b23
147d3240
15596071
hex4132d8

4272856 has 32 divisors (see below), whose sum is σ = 9384480. Its totient is φ = 1785600.

The previous prime is 4272841. The next prime is 4272859. The reversal of 4272856 is 6582724.

It is a Smith number, since the sum of its digits (34) coincides with the sum of the digits of its prime factors.

It is a d-powerful number, because it can be written as 411 + 23 + 73 + 25 + 8 + 57 + 62 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272859) 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, 1366 + ... + 3226.

It is an arithmetic number, because the mean of its divisors is an integer number (293265).

Almost surely, 24272856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4272856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4692240).

4272856 is an abundant number, since it is smaller than the sum of its proper divisors (5111624).

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

4272856 is a wasteful number, since it uses less digits than its factorization.

4272856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1915 (or 1911 counting only the distinct ones).

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

The square root of 4272856 is about 2067.0887740975. The cubic root of 4272856 is about 162.2704419390.

The spelling of 4272856 in words is "four million, two hundred seventy-two thousand, eight hundred fifty-six".

Divisors: 1 2 4 7 8 14 28 41 56 82 164 287 328 574 1148 1861 2296 3722 7444 13027 14888 26054 52108 76301 104216 152602 305204 534107 610408 1068214 2136428 4272856