Search a number
-
+
28592047 = 114163397
BaseRepresentation
bin110110100010…
…0011110101111
31222210121220201
41231010132233
524304421142
62500454331
7465012511
oct155043657
958717821
1028592047
11151596a0
1296aa3a7
135c01193
143b23bb1
15279bab7
hex1b447af

28592047 has 8 divisors (see below), whose sum is σ = 31952592. Its totient is φ = 25358400.

The previous prime is 28592041. The next prime is 28592063. The reversal of 28592047 is 74029582.

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 28592047 - 27 = 28591919 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 28591997 and 28592015.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28592041) 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, 31248 + ... + 32149.

It is an arithmetic number, because the mean of its divisors is an integer number (3994074).

Almost surely, 228592047 is an apocalyptic number.

28592047 is a deficient number, since it is larger than the sum of its proper divisors (3360545).

28592047 is a wasteful number, since it uses less digits than its factorization.

28592047 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63449.

The product of its (nonzero) digits is 40320, while the sum is 37.

The square root of 28592047 is about 5347.1531678081. The cubic root of 28592047 is about 305.7842292519.

The spelling of 28592047 in words is "twenty-eight million, five hundred ninety-two thousand, forty-seven".

Divisors: 1 11 41 451 63397 697367 2599277 28592047