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4272823 = 31337409
BaseRepresentation
bin10000010011001010110111
322001002012201
4100103022313
52043212243
6231325331
751214132
oct20231267
98032181
104272823
112459265
121520847
13b67ac9
147d3219
1559604d
hex4132b7

4272823 has 8 divisors (see below), whose sum is σ = 4434560. Its totient is φ = 4112640.

The previous prime is 4272811. The next prime is 4272833. The reversal of 4272823 is 3282724.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4272823 - 29 = 4272311 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4272791 and 4272800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4272803) 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 7 ways as a sum of consecutive naturals, for example, 10243 + ... + 10651.

It is an arithmetic number, because the mean of its divisors is an integer number (554320).

Almost surely, 24272823 is an apocalyptic number.

4272823 is a deficient number, since it is larger than the sum of its proper divisors (161737).

4272823 is a wasteful number, since it uses less digits than its factorization.

4272823 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 777.

The product of its digits is 5376, while the sum is 28.

The square root of 4272823 is about 2067.0807918415. The cubic root of 4272823 is about 162.2700241905.

Subtracting from 4272823 its reverse (3282724), we obtain a palindrome (990099).

The spelling of 4272823 in words is "four million, two hundred seventy-two thousand, eight hundred twenty-three".

Divisors: 1 31 337 409 10447 12679 137833 4272823