Search a number
-
+
28814301 = 323201589
BaseRepresentation
bin110110111101…
…0101111011101
32000012220210100
41231322233131
524334024201
62505331313
7466626465
oct155725735
960186710
1028814301
11152a067a
129796b39
135c7b3a9
143b80ba5
1527e2886
hex1b7abdd

28814301 has 6 divisors (see below), whose sum is σ = 41620670. Its totient is φ = 19209528.

The previous prime is 28814299. The next prime is 28814309. The reversal of 28814301 is 10341882.

It can be written as a sum of positive squares in only one way, i.e., 28611801 + 202500 = 5349^2 + 450^2 .

It is not a de Polignac number, because 28814301 - 21 = 28814299 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (28814309) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1600786 + ... + 1600803.

Almost surely, 228814301 is an apocalyptic number.

It is an amenable number.

28814301 is a deficient number, since it is larger than the sum of its proper divisors (12806369).

28814301 is a wasteful number, since it uses less digits than its factorization.

28814301 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3201595 (or 3201592 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 27.

The square root of 28814301 is about 5367.8953976396. The cubic root of 28814301 is about 306.5745006322.

The spelling of 28814301 in words is "twenty-eight million, eight hundred fourteen thousand, three hundred one".

Divisors: 1 3 9 3201589 9604767 28814301